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324 lines
10 KiB
324 lines
10 KiB
# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -run-pass greedy %s -o - \
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# RUN: | FileCheck %s
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#
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# Test that a reload can be folded into a compare instruction after swapping
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# operands (when the LHS register is spilled).
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--- |
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declare i64 @foo()
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define i64 @fun1(i64* %ptr0) { ret i64 0 }
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define i64 @fun2(i64* %ptr0) { ret i64 0 }
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declare i32 @foo32()
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define i32 @fun3(i32* %ptr0) { ret i32 0 }
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define i32 @fun4(i32* %ptr0) { ret i32 0 }
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...
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# Test CGR -> CG
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# CHECK: name: fun1
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# CHECK: CG %10, %stack.0, 0, $noreg, implicit-def $cc :: (load 8 from %stack.0)
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# CHECK-NEXT: %12:gr64bit = LOCGHI %12, 8, 14, 12, implicit $cc
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---
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name: fun1
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: addr64bit }
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- { id: 1, class: gr64bit }
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- { id: 2, class: gr64bit }
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- { id: 3, class: gr64bit }
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- { id: 4, class: gr64bit }
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- { id: 5, class: gr64bit }
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- { id: 6, class: gr64bit }
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- { id: 7, class: gr64bit }
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- { id: 8, class: gr64bit }
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- { id: 9, class: gr64bit }
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- { id: 10, class: gr64bit }
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- { id: 11, class: gr64bit }
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- { id: 12, class: gr64bit }
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- { id: 13, class: gr64bit }
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- { id: 14, class: gr64bit }
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- { id: 15, class: gr64bit }
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- { id: 16, class: gr64bit }
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- { id: 17, class: gr64bit }
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- { id: 18, class: gr64bit }
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- { id: 19, class: gr64bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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hasCalls: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $r2d
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%0:addr64bit = COPY $r2d
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%1:gr64bit = LG %0, 0, $noreg
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%2:gr64bit = LG %0, 16, $noreg
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%3:gr64bit = LG %0, 32, $noreg
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%4:gr64bit = LG %0, 48, $noreg
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%5:gr64bit = LG %0, 64, $noreg
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%6:gr64bit = LG %0, 80, $noreg
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%7:gr64bit = LG %0, 96, $noreg
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%8:gr64bit = LG %0, 112, $noreg
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%9:gr64bit = LG %0, 128, $noreg
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ADJCALLSTACKDOWN 0, 0
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CallBRASL @foo, csr_systemz, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
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%10:gr64bit = COPY $r2d
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ADJCALLSTACKUP 0, 0
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CGR %10, %1, implicit-def $cc
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%12:gr64bit = COPY %10
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%12:gr64bit = LOCGHI %12, 0, 14, 10, implicit killed $cc
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CGR %10, %2, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 1, 14, 10, implicit killed $cc
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CGR %10, %3, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 2, 14, 10, implicit killed $cc
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CGR %10, %4, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 3, 14, 10, implicit killed $cc
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CGR %10, %5, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 4, 14, 10, implicit killed $cc
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CGR %10, %6, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 5, 14, 10, implicit killed $cc
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CGR %10, %7, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 6, 14, 10, implicit killed $cc
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CGR %10, %8, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 7, 14, 10, implicit killed $cc
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CGR %9, %10, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 8, 14, 10, implicit killed $cc
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$r2d = COPY %12
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Return implicit $r2d
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...
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# Test CLGR -> CLG
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# CHECK: name: fun2
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# CHECK: CLG %10, %stack.0, 0, $noreg, implicit-def $cc :: (load 8 from %stack.0)
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# CHECK-NEXT: %12:gr64bit = LOCGHI %12, 8, 14, 12, implicit $cc
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---
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name: fun2
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: addr64bit }
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- { id: 1, class: gr64bit }
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- { id: 2, class: gr64bit }
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- { id: 3, class: gr64bit }
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- { id: 4, class: gr64bit }
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- { id: 5, class: gr64bit }
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- { id: 6, class: gr64bit }
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- { id: 7, class: gr64bit }
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- { id: 8, class: gr64bit }
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- { id: 9, class: gr64bit }
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- { id: 10, class: gr64bit }
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- { id: 11, class: gr64bit }
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- { id: 12, class: gr64bit }
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- { id: 13, class: gr64bit }
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- { id: 14, class: gr64bit }
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- { id: 15, class: gr64bit }
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- { id: 16, class: gr64bit }
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- { id: 17, class: gr64bit }
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- { id: 18, class: gr64bit }
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- { id: 19, class: gr64bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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hasCalls: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $r2d
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%0:addr64bit = COPY $r2d
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%1:gr64bit = LG %0, 0, $noreg
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%2:gr64bit = LG %0, 16, $noreg
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%3:gr64bit = LG %0, 32, $noreg
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%4:gr64bit = LG %0, 48, $noreg
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%5:gr64bit = LG %0, 64, $noreg
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%6:gr64bit = LG %0, 80, $noreg
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%7:gr64bit = LG %0, 96, $noreg
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%8:gr64bit = LG %0, 112, $noreg
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%9:gr64bit = LG %0, 128, $noreg
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ADJCALLSTACKDOWN 0, 0
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CallBRASL @foo, csr_systemz, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
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%10:gr64bit = COPY $r2d
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ADJCALLSTACKUP 0, 0
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CGR %10, %1, implicit-def $cc
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%12:gr64bit = COPY %10
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%12:gr64bit = LOCGHI %12, 0, 14, 10, implicit killed $cc
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CGR %10, %2, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 1, 14, 10, implicit killed $cc
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CGR %10, %3, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 2, 14, 10, implicit killed $cc
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CGR %10, %4, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 3, 14, 10, implicit killed $cc
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CGR %10, %5, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 4, 14, 10, implicit killed $cc
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CGR %10, %6, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 5, 14, 10, implicit killed $cc
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CGR %10, %7, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 6, 14, 10, implicit killed $cc
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CGR %10, %8, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 7, 14, 10, implicit killed $cc
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CLGR %9, %10, implicit-def $cc
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%12:gr64bit = LOCGHI %12, 8, 14, 10, implicit killed $cc
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$r2d = COPY %12
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Return implicit $r2d
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...
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# Test CR -> C
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# CHECK: name: fun3
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# CHECK: C %10, %stack.0, 0, $noreg, implicit-def $cc :: (load 4 from %stack.0)
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# CHECK: %12:gr32bit = LOCHIMux %12, 8, 14, 12, implicit $cc
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---
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name: fun3
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: addr64bit }
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- { id: 1, class: gr32bit }
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- { id: 2, class: gr32bit }
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- { id: 3, class: gr32bit }
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- { id: 4, class: gr32bit }
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- { id: 5, class: gr32bit }
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- { id: 6, class: gr32bit }
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- { id: 7, class: gr32bit }
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- { id: 8, class: gr32bit }
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- { id: 9, class: gr32bit }
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- { id: 10, class: gr32bit }
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- { id: 11, class: gr32bit }
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- { id: 12, class: gr32bit }
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- { id: 13, class: gr32bit }
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- { id: 14, class: gr32bit }
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- { id: 15, class: gr32bit }
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- { id: 16, class: gr32bit }
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- { id: 17, class: gr32bit }
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- { id: 18, class: gr32bit }
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- { id: 19, class: gr32bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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hasCalls: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $r2d
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%0:addr64bit = COPY $r2d
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%1:gr32bit = LMux %0, 0, $noreg
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%2:gr32bit = LMux %0, 8, $noreg
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%3:gr32bit = LMux %0, 16, $noreg
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%4:gr32bit = LMux %0, 24, $noreg
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%5:gr32bit = LMux %0, 32, $noreg
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%6:gr32bit = LMux %0, 40, $noreg
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%7:gr32bit = LMux %0, 48, $noreg
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%8:gr32bit = LMux %0, 56, $noreg
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%9:gr32bit = LMux %0, 64, $noreg
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ADJCALLSTACKDOWN 0, 0
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CallBRASL @foo, csr_systemz, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2l
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%10:gr32bit = COPY $r2l
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ADJCALLSTACKUP 0, 0
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CR %10, %1, implicit-def $cc
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%12:gr32bit = COPY %10
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%12:gr32bit = LOCHIMux %12, 0, 14, 10, implicit killed $cc
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CR %10, %2, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 1, 14, 10, implicit killed $cc
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CR %10, %3, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 2, 14, 10, implicit killed $cc
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CR %10, %4, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 3, 14, 10, implicit killed $cc
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CR %10, %5, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 4, 14, 10, implicit killed $cc
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CR %10, %6, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 5, 14, 10, implicit killed $cc
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CR %10, %7, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 6, 14, 10, implicit killed $cc
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CR %10, %8, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 7, 14, 10, implicit killed $cc
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CR %9, %10, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 8, 14, 10, implicit killed $cc
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$r2l = COPY %12
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Return implicit $r2l
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...
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# Test CLR -> CL
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# CHECK: name: fun4
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# CHECK: CL %10, %stack.0, 0, $noreg, implicit-def $cc :: (load 4 from %stack.0)
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# CHECK: %12:gr32bit = LOCHIMux %12, 8, 14, 12, implicit $cc
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---
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name: fun4
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: addr64bit }
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- { id: 1, class: gr32bit }
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- { id: 2, class: gr32bit }
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- { id: 3, class: gr32bit }
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- { id: 4, class: gr32bit }
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- { id: 5, class: gr32bit }
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- { id: 6, class: gr32bit }
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- { id: 7, class: gr32bit }
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- { id: 8, class: gr32bit }
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- { id: 9, class: gr32bit }
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- { id: 10, class: gr32bit }
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- { id: 11, class: gr32bit }
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- { id: 12, class: gr32bit }
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- { id: 13, class: gr32bit }
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- { id: 14, class: gr32bit }
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- { id: 15, class: gr32bit }
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- { id: 16, class: gr32bit }
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- { id: 17, class: gr32bit }
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- { id: 18, class: gr32bit }
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- { id: 19, class: gr32bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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hasCalls: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $r2d
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%0:addr64bit = COPY $r2d
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%1:gr32bit = LMux %0, 0, $noreg
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%2:gr32bit = LMux %0, 8, $noreg
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%3:gr32bit = LMux %0, 16, $noreg
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%4:gr32bit = LMux %0, 24, $noreg
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%5:gr32bit = LMux %0, 32, $noreg
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%6:gr32bit = LMux %0, 40, $noreg
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%7:gr32bit = LMux %0, 48, $noreg
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%8:gr32bit = LMux %0, 56, $noreg
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%9:gr32bit = LMux %0, 64, $noreg
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ADJCALLSTACKDOWN 0, 0
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CallBRASL @foo, csr_systemz, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2l
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%10:gr32bit = COPY $r2l
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ADJCALLSTACKUP 0, 0
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CR %10, %1, implicit-def $cc
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%12:gr32bit = COPY %10
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%12:gr32bit = LOCHIMux %12, 0, 14, 10, implicit killed $cc
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CR %10, %2, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 1, 14, 10, implicit killed $cc
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CR %10, %3, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 2, 14, 10, implicit killed $cc
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CR %10, %4, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 3, 14, 10, implicit killed $cc
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CR %10, %5, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 4, 14, 10, implicit killed $cc
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CR %10, %6, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 5, 14, 10, implicit killed $cc
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CR %10, %7, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 6, 14, 10, implicit killed $cc
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CR %10, %8, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 7, 14, 10, implicit killed $cc
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CLR %9, %10, implicit-def $cc
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%12:gr32bit = LOCHIMux %12, 8, 14, 10, implicit killed $cc
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$r2l = COPY %12
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Return implicit $r2l
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...
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