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d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
76 lines
2.5 KiB
YAML
76 lines
2.5 KiB
YAML
# RUN: llc -mtriple thumbv7-apple-ios -run-pass none -o - %s | FileCheck %s
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# This test ensures that the MIR parser parses the bundled machine instructions
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# and 'internal' register flags correctly.
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--- |
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define i32 @test1(i32 %a) {
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entry:
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%cmp = icmp sgt i32 %a, -78
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%. = zext i1 %cmp to i32
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ret i32 %.
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}
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define i32 @test2(i32 %a) {
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entry:
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%cmp = icmp sgt i32 %a, -78
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%. = zext i1 %cmp to i32
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ret i32 %.
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}
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...
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---
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name: test1
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tracksRegLiveness: true
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liveins:
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- { reg: '$r0' }
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body: |
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bb.0.entry:
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liveins: $r0
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; CHECK-LABEL: name: test1
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; CHECK: $r1 = t2MOVi 0, 14, $noreg, $noreg
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; CHECK-NEXT: t2CMNri killed $r0, 78, 14, $noreg, implicit-def $cpsr
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; CHECK-NEXT: BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr {
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; CHECK-NEXT: t2IT 12, 8, implicit-def $itstate
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; CHECK-NEXT: $r1 = t2MOVi 1, 12, killed $cpsr, $noreg, implicit internal killed $itstate
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; CHECK-NEXT: }
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; CHECK-NEXT: $r0 = tMOVr killed $r1, 14, $noreg
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; CHECK-NEXT: tBX_RET 14, $noreg, implicit killed $r0
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$r1 = t2MOVi 0, 14, _, _
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t2CMNri killed $r0, 78, 14, _, implicit-def $cpsr
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BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr {
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t2IT 12, 8, implicit-def $itstate
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$r1 = t2MOVi 1, 12, killed $cpsr, _, implicit internal killed $itstate
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}
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$r0 = tMOVr killed $r1, 14, _
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tBX_RET 14, _, implicit killed $r0
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...
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---
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name: test2
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tracksRegLiveness: true
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liveins:
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- { reg: '$r0' }
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body: |
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bb.0.entry:
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liveins: $r0
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; Verify that the next machine instruction can be on the same line as
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; '{' or '}'.
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; CHECK-LABEL: name: test2
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; CHECK: $r1 = t2MOVi 0, 14, $noreg, $noreg
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; CHECK-NEXT: t2CMNri killed $r0, 78, 14, $noreg, implicit-def $cpsr
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; CHECK-NEXT: BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr {
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; CHECK-NEXT: t2IT 12, 8, implicit-def $itstate
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; CHECK-NEXT: $r1 = t2MOVi 1, 12, killed $cpsr, $noreg, implicit internal killed $itstate
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; CHECK-NEXT: }
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; CHECK-NEXT: $r0 = tMOVr killed $r1, 14, $noreg
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; CHECK-NEXT: tBX_RET 14, $noreg, implicit killed $r0
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$r1 = t2MOVi 0, 14, _, _
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t2CMNri killed $r0, 78, 14, _, implicit-def $cpsr
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BUNDLE implicit-def dead $itstate, implicit-def $r1, implicit killed $cpsr { t2IT 12, 8, implicit-def $itstate
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$r1 = t2MOVi 1, 12, killed $cpsr, _, internal implicit killed $itstate
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} $r0 = tMOVr killed $r1, 14, _
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tBX_RET 14, _, implicit killed $r0
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...
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