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446 lines
16 KiB
446 lines
16 KiB
; Like frame-03.ll, but for z13. In this case we have 16 more registers
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; available.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; This function should require all FPRs, but no other spill slots.
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; We need to save and restore 8 of the 16 FPRs, so the frame size
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; should be exactly 8 * 8 = 64. The CFA offset is 160
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; (the caller-allocated part of the frame) + 64.
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define void @f1(double *%ptr) {
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; CHECK-LABEL: f1:
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; CHECK: aghi %r15, -64
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; CHECK: .cfi_def_cfa_offset 224
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; CHECK: std %f8, 56(%r15)
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; CHECK: std %f9, 48(%r15)
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; CHECK: std %f10, 40(%r15)
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; CHECK: std %f11, 32(%r15)
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; CHECK: std %f12, 24(%r15)
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; CHECK: std %f13, 16(%r15)
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; CHECK: std %f14, 8(%r15)
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; CHECK: std %f15, 0(%r15)
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; CHECK: .cfi_offset %f8, -168
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; CHECK: .cfi_offset %f9, -176
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; CHECK: .cfi_offset %f10, -184
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; CHECK: .cfi_offset %f11, -192
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; CHECK: .cfi_offset %f12, -200
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; CHECK: .cfi_offset %f13, -208
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; CHECK: .cfi_offset %f14, -216
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; CHECK: .cfi_offset %f15, -224
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; CHECK-DAG: ld %f0, 0(%r2)
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; CHECK-DAG: ld %f7, 0(%r2)
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; CHECK-DAG: ld %f8, 0(%r2)
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; CHECK-DAG: ld %f15, 0(%r2)
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; CHECK-DAG: vlrepg %v16, 0(%r2)
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; CHECK-DAG: vlrepg %v23, 0(%r2)
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; CHECK-DAG: vlrepg %v24, 0(%r2)
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; CHECK-DAG: vlrepg %v31, 0(%r2)
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; CHECK: ld %f8, 56(%r15)
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; CHECK: ld %f9, 48(%r15)
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; CHECK: ld %f10, 40(%r15)
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; CHECK: ld %f11, 32(%r15)
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; CHECK: ld %f12, 24(%r15)
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; CHECK: ld %f13, 16(%r15)
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; CHECK: ld %f14, 8(%r15)
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; CHECK: ld %f15, 0(%r15)
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; CHECK: aghi %r15, 64
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; CHECK: br %r14
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%l0 = load volatile double, double *%ptr
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%l1 = load volatile double, double *%ptr
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%l2 = load volatile double, double *%ptr
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%l3 = load volatile double, double *%ptr
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%l4 = load volatile double, double *%ptr
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%l5 = load volatile double, double *%ptr
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%l6 = load volatile double, double *%ptr
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%l7 = load volatile double, double *%ptr
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%l8 = load volatile double, double *%ptr
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%l9 = load volatile double, double *%ptr
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%l10 = load volatile double, double *%ptr
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%l11 = load volatile double, double *%ptr
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%l12 = load volatile double, double *%ptr
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%l13 = load volatile double, double *%ptr
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%l14 = load volatile double, double *%ptr
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%l15 = load volatile double, double *%ptr
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%l16 = load volatile double, double *%ptr
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%l17 = load volatile double, double *%ptr
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%l18 = load volatile double, double *%ptr
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%l19 = load volatile double, double *%ptr
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%l20 = load volatile double, double *%ptr
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%l21 = load volatile double, double *%ptr
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%l22 = load volatile double, double *%ptr
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%l23 = load volatile double, double *%ptr
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%l24 = load volatile double, double *%ptr
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%l25 = load volatile double, double *%ptr
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%l26 = load volatile double, double *%ptr
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%l27 = load volatile double, double *%ptr
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%l28 = load volatile double, double *%ptr
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%l29 = load volatile double, double *%ptr
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%l30 = load volatile double, double *%ptr
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%l31 = load volatile double, double *%ptr
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%acc0 = fsub double %l0, %l0
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%acc1 = fsub double %l1, %acc0
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%acc2 = fsub double %l2, %acc1
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%acc3 = fsub double %l3, %acc2
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%acc4 = fsub double %l4, %acc3
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%acc5 = fsub double %l5, %acc4
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%acc6 = fsub double %l6, %acc5
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%acc7 = fsub double %l7, %acc6
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%acc8 = fsub double %l8, %acc7
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%acc9 = fsub double %l9, %acc8
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%acc10 = fsub double %l10, %acc9
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%acc11 = fsub double %l11, %acc10
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%acc12 = fsub double %l12, %acc11
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%acc13 = fsub double %l13, %acc12
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%acc14 = fsub double %l14, %acc13
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%acc15 = fsub double %l15, %acc14
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%acc16 = fsub double %l16, %acc15
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%acc17 = fsub double %l17, %acc16
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%acc18 = fsub double %l18, %acc17
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%acc19 = fsub double %l19, %acc18
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%acc20 = fsub double %l20, %acc19
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%acc21 = fsub double %l21, %acc20
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%acc22 = fsub double %l22, %acc21
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%acc23 = fsub double %l23, %acc22
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%acc24 = fsub double %l24, %acc23
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%acc25 = fsub double %l25, %acc24
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%acc26 = fsub double %l26, %acc25
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%acc27 = fsub double %l27, %acc26
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%acc28 = fsub double %l28, %acc27
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%acc29 = fsub double %l29, %acc28
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%acc30 = fsub double %l30, %acc29
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%acc31 = fsub double %l31, %acc30
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store volatile double %acc0, double *%ptr
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store volatile double %acc1, double *%ptr
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store volatile double %acc2, double *%ptr
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store volatile double %acc3, double *%ptr
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store volatile double %acc4, double *%ptr
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store volatile double %acc5, double *%ptr
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store volatile double %acc6, double *%ptr
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store volatile double %acc7, double *%ptr
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store volatile double %acc8, double *%ptr
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store volatile double %acc9, double *%ptr
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store volatile double %acc10, double *%ptr
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store volatile double %acc11, double *%ptr
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store volatile double %acc12, double *%ptr
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store volatile double %acc13, double *%ptr
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store volatile double %acc14, double *%ptr
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store volatile double %acc15, double *%ptr
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store volatile double %acc16, double *%ptr
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store volatile double %acc17, double *%ptr
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store volatile double %acc18, double *%ptr
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store volatile double %acc19, double *%ptr
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store volatile double %acc20, double *%ptr
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store volatile double %acc21, double *%ptr
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store volatile double %acc22, double *%ptr
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store volatile double %acc23, double *%ptr
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store volatile double %acc24, double *%ptr
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store volatile double %acc25, double *%ptr
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store volatile double %acc26, double *%ptr
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store volatile double %acc27, double *%ptr
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store volatile double %acc28, double *%ptr
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store volatile double %acc29, double *%ptr
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store volatile double %acc30, double *%ptr
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store volatile double %acc31, double *%ptr
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ret void
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}
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; Like f1, but requires one fewer FPR. We allocate in numerical order,
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; so %f15 is the one that gets dropped.
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define void @f2(double *%ptr) {
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; CHECK-LABEL: f2:
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; CHECK: aghi %r15, -56
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; CHECK: .cfi_def_cfa_offset 216
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; CHECK: std %f8, 48(%r15)
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; CHECK: std %f9, 40(%r15)
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; CHECK: std %f10, 32(%r15)
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; CHECK: std %f11, 24(%r15)
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; CHECK: std %f12, 16(%r15)
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; CHECK: std %f13, 8(%r15)
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; CHECK: std %f14, 0(%r15)
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; CHECK: .cfi_offset %f8, -168
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; CHECK: .cfi_offset %f9, -176
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; CHECK: .cfi_offset %f10, -184
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; CHECK: .cfi_offset %f11, -192
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; CHECK: .cfi_offset %f12, -200
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; CHECK: .cfi_offset %f13, -208
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; CHECK: .cfi_offset %f14, -216
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; CHECK-NOT: %v15
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; CHECK-NOT: %f15
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; CHECK: ld %f8, 48(%r15)
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; CHECK: ld %f9, 40(%r15)
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; CHECK: ld %f10, 32(%r15)
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; CHECK: ld %f11, 24(%r15)
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; CHECK: ld %f12, 16(%r15)
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; CHECK: ld %f13, 8(%r15)
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; CHECK: ld %f14, 0(%r15)
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; CHECK: aghi %r15, 56
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; CHECK: br %r14
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%l0 = load volatile double, double *%ptr
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%l1 = load volatile double, double *%ptr
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%l2 = load volatile double, double *%ptr
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%l3 = load volatile double, double *%ptr
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%l4 = load volatile double, double *%ptr
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%l5 = load volatile double, double *%ptr
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%l6 = load volatile double, double *%ptr
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%l7 = load volatile double, double *%ptr
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%l8 = load volatile double, double *%ptr
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%l9 = load volatile double, double *%ptr
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%l10 = load volatile double, double *%ptr
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%l11 = load volatile double, double *%ptr
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%l12 = load volatile double, double *%ptr
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%l13 = load volatile double, double *%ptr
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%l14 = load volatile double, double *%ptr
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%l16 = load volatile double, double *%ptr
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%l17 = load volatile double, double *%ptr
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%l18 = load volatile double, double *%ptr
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%l19 = load volatile double, double *%ptr
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%l20 = load volatile double, double *%ptr
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%l21 = load volatile double, double *%ptr
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%l22 = load volatile double, double *%ptr
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%l23 = load volatile double, double *%ptr
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%l24 = load volatile double, double *%ptr
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%l25 = load volatile double, double *%ptr
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%l26 = load volatile double, double *%ptr
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%l27 = load volatile double, double *%ptr
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%l28 = load volatile double, double *%ptr
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%l29 = load volatile double, double *%ptr
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%l30 = load volatile double, double *%ptr
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%l31 = load volatile double, double *%ptr
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%acc0 = fsub double %l0, %l0
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%acc1 = fsub double %l1, %acc0
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%acc2 = fsub double %l2, %acc1
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%acc3 = fsub double %l3, %acc2
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%acc4 = fsub double %l4, %acc3
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%acc5 = fsub double %l5, %acc4
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%acc6 = fsub double %l6, %acc5
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%acc7 = fsub double %l7, %acc6
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%acc8 = fsub double %l8, %acc7
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%acc9 = fsub double %l9, %acc8
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%acc10 = fsub double %l10, %acc9
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%acc11 = fsub double %l11, %acc10
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%acc12 = fsub double %l12, %acc11
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%acc13 = fsub double %l13, %acc12
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%acc14 = fsub double %l14, %acc13
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%acc16 = fsub double %l16, %acc14
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%acc17 = fsub double %l17, %acc16
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%acc18 = fsub double %l18, %acc17
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%acc19 = fsub double %l19, %acc18
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%acc20 = fsub double %l20, %acc19
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%acc21 = fsub double %l21, %acc20
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%acc22 = fsub double %l22, %acc21
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%acc23 = fsub double %l23, %acc22
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%acc24 = fsub double %l24, %acc23
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%acc25 = fsub double %l25, %acc24
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%acc26 = fsub double %l26, %acc25
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%acc27 = fsub double %l27, %acc26
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%acc28 = fsub double %l28, %acc27
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%acc29 = fsub double %l29, %acc28
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%acc30 = fsub double %l30, %acc29
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%acc31 = fsub double %l31, %acc30
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store volatile double %acc0, double *%ptr
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store volatile double %acc1, double *%ptr
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store volatile double %acc2, double *%ptr
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store volatile double %acc3, double *%ptr
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store volatile double %acc4, double *%ptr
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store volatile double %acc5, double *%ptr
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store volatile double %acc6, double *%ptr
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store volatile double %acc7, double *%ptr
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store volatile double %acc8, double *%ptr
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store volatile double %acc9, double *%ptr
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store volatile double %acc10, double *%ptr
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store volatile double %acc11, double *%ptr
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store volatile double %acc12, double *%ptr
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store volatile double %acc13, double *%ptr
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store volatile double %acc14, double *%ptr
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store volatile double %acc16, double *%ptr
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store volatile double %acc17, double *%ptr
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store volatile double %acc18, double *%ptr
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store volatile double %acc19, double *%ptr
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store volatile double %acc20, double *%ptr
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store volatile double %acc21, double *%ptr
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store volatile double %acc22, double *%ptr
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store volatile double %acc23, double *%ptr
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store volatile double %acc24, double *%ptr
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store volatile double %acc25, double *%ptr
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store volatile double %acc26, double *%ptr
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store volatile double %acc27, double *%ptr
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store volatile double %acc28, double *%ptr
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store volatile double %acc29, double *%ptr
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store volatile double %acc30, double *%ptr
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store volatile double %acc31, double *%ptr
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ret void
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}
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; Like f1, but should require only one call-saved FPR.
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define void @f3(double *%ptr) {
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; CHECK-LABEL: f3:
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; CHECK: aghi %r15, -8
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; CHECK: .cfi_def_cfa_offset 168
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; CHECK: std %f8, 0(%r15)
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; CHECK: .cfi_offset %f8, -168
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; CHECK-NOT: {{%[fv]9}}
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; CHECK-NOT: {{%[fv]1[0-5]}}
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; CHECK: ld %f8, 0(%r15)
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; CHECK: aghi %r15, 8
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; CHECK: br %r14
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%l0 = load volatile double, double *%ptr
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%l1 = load volatile double, double *%ptr
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%l2 = load volatile double, double *%ptr
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%l3 = load volatile double, double *%ptr
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%l4 = load volatile double, double *%ptr
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%l5 = load volatile double, double *%ptr
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%l6 = load volatile double, double *%ptr
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%l7 = load volatile double, double *%ptr
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%l8 = load volatile double, double *%ptr
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%l16 = load volatile double, double *%ptr
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%l17 = load volatile double, double *%ptr
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%l18 = load volatile double, double *%ptr
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%l19 = load volatile double, double *%ptr
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%l20 = load volatile double, double *%ptr
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%l21 = load volatile double, double *%ptr
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%l22 = load volatile double, double *%ptr
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%l23 = load volatile double, double *%ptr
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%l24 = load volatile double, double *%ptr
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%l25 = load volatile double, double *%ptr
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%l26 = load volatile double, double *%ptr
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%l27 = load volatile double, double *%ptr
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%l28 = load volatile double, double *%ptr
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%l29 = load volatile double, double *%ptr
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%l30 = load volatile double, double *%ptr
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%l31 = load volatile double, double *%ptr
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%acc0 = fsub double %l0, %l0
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%acc1 = fsub double %l1, %acc0
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%acc2 = fsub double %l2, %acc1
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%acc3 = fsub double %l3, %acc2
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%acc4 = fsub double %l4, %acc3
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%acc5 = fsub double %l5, %acc4
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%acc6 = fsub double %l6, %acc5
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%acc7 = fsub double %l7, %acc6
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%acc8 = fsub double %l8, %acc7
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%acc16 = fsub double %l16, %acc8
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%acc17 = fsub double %l17, %acc16
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%acc18 = fsub double %l18, %acc17
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%acc19 = fsub double %l19, %acc18
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%acc20 = fsub double %l20, %acc19
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%acc21 = fsub double %l21, %acc20
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%acc22 = fsub double %l22, %acc21
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%acc23 = fsub double %l23, %acc22
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%acc24 = fsub double %l24, %acc23
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%acc25 = fsub double %l25, %acc24
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%acc26 = fsub double %l26, %acc25
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%acc27 = fsub double %l27, %acc26
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%acc28 = fsub double %l28, %acc27
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%acc29 = fsub double %l29, %acc28
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%acc30 = fsub double %l30, %acc29
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%acc31 = fsub double %l31, %acc30
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store volatile double %acc0, double *%ptr
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store volatile double %acc1, double *%ptr
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store volatile double %acc2, double *%ptr
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store volatile double %acc3, double *%ptr
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store volatile double %acc4, double *%ptr
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store volatile double %acc5, double *%ptr
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store volatile double %acc6, double *%ptr
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store volatile double %acc7, double *%ptr
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store volatile double %acc8, double *%ptr
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store volatile double %acc16, double *%ptr
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store volatile double %acc17, double *%ptr
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store volatile double %acc18, double *%ptr
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store volatile double %acc19, double *%ptr
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store volatile double %acc20, double *%ptr
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store volatile double %acc21, double *%ptr
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store volatile double %acc22, double *%ptr
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store volatile double %acc23, double *%ptr
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store volatile double %acc24, double *%ptr
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store volatile double %acc25, double *%ptr
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store volatile double %acc26, double *%ptr
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store volatile double %acc27, double *%ptr
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store volatile double %acc28, double *%ptr
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store volatile double %acc29, double *%ptr
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store volatile double %acc30, double *%ptr
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store volatile double %acc31, double *%ptr
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ret void
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}
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; This function should use all call-clobbered FPRs and vector registers
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; but no call-saved ones. It shouldn't need to create a frame.
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define void @f4(double *%ptr) {
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; CHECK-LABEL: f4:
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; CHECK-NOT: %r15
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; CHECK-NOT: {{%[fv][89]}}
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; CHECK-NOT: {{%[fv]1[0-5]}}
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; CHECK: br %r14
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%l0 = load volatile double, double *%ptr
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%l1 = load volatile double, double *%ptr
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%l2 = load volatile double, double *%ptr
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%l3 = load volatile double, double *%ptr
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%l4 = load volatile double, double *%ptr
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%l5 = load volatile double, double *%ptr
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%l6 = load volatile double, double *%ptr
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%l7 = load volatile double, double *%ptr
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%l16 = load volatile double, double *%ptr
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%l17 = load volatile double, double *%ptr
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%l18 = load volatile double, double *%ptr
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%l19 = load volatile double, double *%ptr
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%l20 = load volatile double, double *%ptr
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%l21 = load volatile double, double *%ptr
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%l22 = load volatile double, double *%ptr
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%l23 = load volatile double, double *%ptr
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%l24 = load volatile double, double *%ptr
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%l25 = load volatile double, double *%ptr
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%l26 = load volatile double, double *%ptr
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%l27 = load volatile double, double *%ptr
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%l28 = load volatile double, double *%ptr
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%l29 = load volatile double, double *%ptr
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%l30 = load volatile double, double *%ptr
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%l31 = load volatile double, double *%ptr
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%acc0 = fsub double %l0, %l0
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%acc1 = fsub double %l1, %acc0
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%acc2 = fsub double %l2, %acc1
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%acc3 = fsub double %l3, %acc2
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%acc4 = fsub double %l4, %acc3
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%acc5 = fsub double %l5, %acc4
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%acc6 = fsub double %l6, %acc5
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%acc7 = fsub double %l7, %acc6
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%acc16 = fsub double %l16, %acc7
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%acc17 = fsub double %l17, %acc16
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%acc18 = fsub double %l18, %acc17
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%acc19 = fsub double %l19, %acc18
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%acc20 = fsub double %l20, %acc19
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%acc21 = fsub double %l21, %acc20
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%acc22 = fsub double %l22, %acc21
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%acc23 = fsub double %l23, %acc22
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%acc24 = fsub double %l24, %acc23
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%acc25 = fsub double %l25, %acc24
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%acc26 = fsub double %l26, %acc25
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%acc27 = fsub double %l27, %acc26
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%acc28 = fsub double %l28, %acc27
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%acc29 = fsub double %l29, %acc28
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%acc30 = fsub double %l30, %acc29
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%acc31 = fsub double %l31, %acc30
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store volatile double %acc0, double *%ptr
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store volatile double %acc1, double *%ptr
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store volatile double %acc2, double *%ptr
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store volatile double %acc3, double *%ptr
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store volatile double %acc4, double *%ptr
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store volatile double %acc5, double *%ptr
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store volatile double %acc6, double *%ptr
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store volatile double %acc7, double *%ptr
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store volatile double %acc16, double *%ptr
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store volatile double %acc17, double *%ptr
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store volatile double %acc18, double *%ptr
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store volatile double %acc19, double *%ptr
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store volatile double %acc20, double *%ptr
|
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store volatile double %acc21, double *%ptr
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store volatile double %acc22, double *%ptr
|
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store volatile double %acc23, double *%ptr
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store volatile double %acc24, double *%ptr
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store volatile double %acc25, double *%ptr
|
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store volatile double %acc26, double *%ptr
|
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store volatile double %acc27, double *%ptr
|
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store volatile double %acc28, double *%ptr
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|
store volatile double %acc29, double *%ptr
|
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store volatile double %acc30, double *%ptr
|
|
store volatile double %acc31, double *%ptr
|
|
ret void
|
|
}
|