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52 lines
1.7 KiB
52 lines
1.7 KiB
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve %s -o - | FileCheck %s
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; This test was getting the offset of a store's pointer info incorrect, leading to the
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; incorrect aliasing info an the store moving past a dependant load.
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define arm_aapcs_vfpcc double @zero(double %a, double %b, double %c) {
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; CHECK-LABEL: zero:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: .save {r4, lr}
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; CHECK-NEXT: push {r4, lr}
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; CHECK-NEXT: .vsave {d8, d9}
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; CHECK-NEXT: vpush {d8, d9}
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; CHECK-NEXT: .pad #8
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; CHECK-NEXT: sub sp, #8
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; CHECK-NEXT: vmov.f32 s16, s2
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; CHECK-NEXT: vmov.f32 s18, s0
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; CHECK-NEXT: vmov.f32 s17, s3
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; CHECK-NEXT: vmov.f32 s19, s1
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; CHECK-NEXT: bl sqrt
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; CHECK-NEXT: vmov r2, r3, d8
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; CHECK-NEXT: vmov r0, r1, d0
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; CHECK-NEXT: bl __aeabi_dadd
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; CHECK-NEXT: str r1, [sp, #4]
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; CHECK-NEXT: mov r4, r0
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; CHECK-NEXT: ldrb.w r0, [sp, #7]
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; CHECK-NEXT: eor r0, r0, #128
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; CHECK-NEXT: strb.w r0, [sp, #7]
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; CHECK-NEXT: vmov r0, r1, d9
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; CHECK-NEXT: mov r2, r0
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; CHECK-NEXT: mov r3, r1
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; CHECK-NEXT: bl __aeabi_dadd
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; CHECK-NEXT: mov r3, r1
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; CHECK-NEXT: ldr r1, [sp, #4]
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; CHECK-NEXT: mov r2, r0
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; CHECK-NEXT: mov r0, r4
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; CHECK-NEXT: bl __aeabi_ddiv
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; CHECK-NEXT: vmov d0, r0, r1
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; CHECK-NEXT: add sp, #8
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; CHECK-NEXT: vpop {d8, d9}
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; CHECK-NEXT: pop {r4, pc}
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entry:
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%call = tail call nnan nsz arm_aapcs_vfpcc double @sqrt(double %a)
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%0 = fadd nnan nsz double %call, %b
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%sub3 = fneg nnan nsz double %0
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%mul4 = fmul nnan nsz double %a, 2.000000e+00
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%div = fdiv nnan nsz double %sub3, %mul4
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ret double %div
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}
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declare arm_aapcs_vfpcc double @sqrt(double)
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