39 lines
987 B
Plaintext
39 lines
987 B
Plaintext
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# RUN: llc -mtriple thumbv6m-none-eabi -run-pass=opt-phis -verify-machineinstrs -o - %s | FileCheck %s
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--- |
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv6m-arm-none-eabi"
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define i32 @funca() { unreachable }
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...
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---
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name: funca
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tracksRegLiveness: true
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body: |
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bb.0:
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successors: %bb.2(0x40000000), %bb.3(0x40000000)
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%0:tgpr, dead $cpsr = tMOVi8 255, 14, $noreg
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%1:tgpr, dead $cpsr = tMOVi8 128, 14, $noreg
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tCMPi8 %0, 0, 14, $noreg, implicit-def $cpsr
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tBcc %bb.3, 1, $cpsr
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bb.2:
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successors: %bb.3(0x80000000)
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bb.3:
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successors: %bb.0(0x80000000)
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%2:tgpr = PHI %0, %bb.2, %0, %bb.0
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%3:tgpr, $cpsr = tSUBrr %1, killed %2, 14, $noreg
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%4:tgpr, $cpsr = tADDrr killed %3, killed %0, 14, $noreg
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tB %bb.0, 14, $noreg
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# Make sure the kill flags are not incorrect
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# CHECK-LABEL: name: funca
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# CHECK-NOT: PHI
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# CHECK: tSUBrr %1, %0
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# CHECK: tADDrr killed %3, %0
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...
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