40650f27b5
This assert is intended to ensure that the high registers are not selected when it is passed to one of the thumb UXT instructions. However it was triggering even for 32 bit where no UXT instruction is emitted. Fixes PR51313. Differential Revision: https://reviews.llvm.org/D107363
86 lines
4.0 KiB
YAML
86 lines
4.0 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -o - %s -mtriple=armv7-unknown-linux-gnu -verify-machineinstrs -run-pass=arm-pseudo | FileCheck %s
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# RUN: llc -o - %s -mtriple=thumbv7-unknown-linux-gnu -verify-machineinstrs -run-pass=arm-pseudo | FileCheck %s --check-prefix=THUMB
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---
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name: func
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $r0_r1, $r4_r5, $r3, $lr
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; CHECK-LABEL: name: func
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; CHECK: successors: %bb.1(0x80000000)
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; CHECK: liveins: $r0_r1, $r4_r5, $r3, $lr
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; CHECK: .1:
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; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
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; CHECK: liveins: $r4_r5, $r3
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; CHECK: $r0_r1 = LDREXD $r3, 14 /* CC::al */, $noreg
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; CHECK: CMPrr killed $r0, $r4, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; CHECK: CMPrr killed $r1, $r5, 0 /* CC::eq */, killed $cpsr, implicit-def $cpsr
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; CHECK: Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
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; CHECK: .2:
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; CHECK: successors: %bb.1(0x40000000), %bb.3(0x40000000)
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; CHECK: liveins: $r4_r5, $r3
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; CHECK: early-clobber $r2 = STREXD $r4_r5, $r3, 14 /* CC::al */, $noreg
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; CHECK: CMPri killed $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; CHECK: Bcc %bb.1, 1 /* CC::ne */, killed $cpsr
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; CHECK: .3:
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; THUMB-LABEL: name: func
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; THUMB: successors: %bb.1(0x80000000)
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; THUMB: liveins: $r0_r1, $r4_r5, $r3, $lr
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; THUMB: .1:
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; THUMB: successors: %bb.3(0x40000000), %bb.2(0x40000000)
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; THUMB: liveins: $r4, $r5, $r3
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; THUMB: $r0, $r1 = t2LDREXD $r3, 14 /* CC::al */, $noreg
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; THUMB: tCMPhir killed $r0, $r4, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; THUMB: tCMPhir killed $r1, $r5, 0 /* CC::eq */, killed $cpsr, implicit-def $cpsr
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; THUMB: tBcc %bb.3, 1 /* CC::ne */, killed $cpsr
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; THUMB: .2:
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; THUMB: successors: %bb.1(0x40000000), %bb.3(0x40000000)
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; THUMB: liveins: $r4, $r5, $r3
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; THUMB: early-clobber $r2 = t2STREXD $r4, $r5, $r3, 14 /* CC::al */, $noreg
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; THUMB: t2CMPri killed $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; THUMB: tBcc %bb.1, 1 /* CC::ne */, killed $cpsr
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; THUMB: .3:
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dead early-clobber renamable $r0_r1, dead early-clobber renamable $r2 = CMP_SWAP_64 killed renamable $r3, killed renamable $r4_r5, renamable $r4_r5 :: (volatile load store monotonic monotonic (s64))
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...
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---
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name: func2
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $r1, $r2, $r3, $r12, $lr
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; CHECK-LABEL: name: func2
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; CHECK: successors: %bb.1(0x80000000)
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; CHECK: liveins: $r1, $r2, $r3, $r12, $lr
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; CHECK: .1:
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; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
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; CHECK: liveins: $lr, $r3, $r12
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; CHECK: $r1 = LDREX $r3, 14 /* CC::al */, $noreg
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; CHECK: CMPrr killed $r1, $r12, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; CHECK: Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
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; CHECK: .2:
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; CHECK: successors: %bb.1(0x40000000), %bb.3(0x40000000)
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; CHECK: liveins: $lr, $r3, $r12
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; CHECK: early-clobber $r2 = STREX $lr, $r3, 14 /* CC::al */, $noreg
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; CHECK: CMPri killed $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; CHECK: Bcc %bb.1, 1 /* CC::ne */, killed $cpsr
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; CHECK: .3:
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; THUMB-LABEL: name: func2
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; THUMB: successors: %bb.1(0x80000000)
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; THUMB: liveins: $r1, $r2, $r3, $r12, $lr
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; THUMB: .1:
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; THUMB: successors: %bb.3(0x40000000), %bb.2(0x40000000)
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; THUMB: liveins: $lr, $r3, $r12
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; THUMB: $r1 = t2LDREX $r3, 0, 14 /* CC::al */, $noreg
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; THUMB: tCMPhir killed $r1, $r12, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; THUMB: tBcc %bb.3, 1 /* CC::ne */, killed $cpsr
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; THUMB: .2:
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; THUMB: successors: %bb.1(0x40000000), %bb.3(0x40000000)
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; THUMB: liveins: $lr, $r3, $r12
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; THUMB: early-clobber $r2 = t2STREX $lr, $r3, 0, 14 /* CC::al */, $noreg
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; THUMB: t2CMPri killed $r2, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
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; THUMB: tBcc %bb.1, 1 /* CC::ne */, killed $cpsr
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; THUMB: .3:
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dead early-clobber renamable $r1, dead early-clobber renamable $r2 = CMP_SWAP_32 killed renamable $r3, killed renamable $r12, killed renamable $lr
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...
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