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67 lines
1.7 KiB
YAML
67 lines
1.7 KiB
YAML
# RUN: llc -o - %s -mtriple=thumb-arm-none-eabi -mcpu=cortex-m0 -run-pass scavenger-test | FileCheck %s
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---
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# CHECK-LABEL: name: scavengebug0
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# Make sure we are not spilling/using a physreg used in the very last
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# instruction of the scavenging range.
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# CHECK-NOT: tSTRi {{.*}}%r0,{{.*}}%r0
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# CHECK-NOT: tSTRi {{.*}}%r1,{{.*}}%r1
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# CHECK-NOT: tSTRi {{.*}}%r2,{{.*}}%r2
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# CHECK-NOT: tSTRi {{.*}}%r3,{{.*}}%r3
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# CHECK-NOT: tSTRi {{.*}}%r4,{{.*}}%r4
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# CHECK-NOT: tSTRi {{.*}}%r5,{{.*}}%r5
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# CHECK-NOT: tSTRi {{.*}}%r6,{{.*}}%r6
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# CHECK-NOT: tSTRi {{.*}}%r7,{{.*}}%r7
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name: scavengebug0
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body: |
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bb.0:
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; Bring up register pressure to force emergency spilling
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%r0 = IMPLICIT_DEF
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%r1 = IMPLICIT_DEF
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%r2 = IMPLICIT_DEF
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%r3 = IMPLICIT_DEF
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%r4 = IMPLICIT_DEF
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%r5 = IMPLICIT_DEF
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%r6 = IMPLICIT_DEF
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%r7 = IMPLICIT_DEF
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%0 : tgpr = IMPLICIT_DEF
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%0 = tADDhirr %0, %sp, 14, %noreg
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tSTRi %r0, %0, 0, 14, %noreg
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%1 : tgpr = IMPLICIT_DEF
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%1 = tADDhirr %1, %sp, 14, %noreg
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tSTRi %r1, %1, 0, 14, %noreg
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%2 : tgpr = IMPLICIT_DEF
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%2 = tADDhirr %2, %sp, 14, %noreg
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tSTRi %r2, %2, 0, 14, %noreg
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%3 : tgpr = IMPLICIT_DEF
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%3 = tADDhirr %3, %sp, 14, %noreg
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tSTRi %r3, %3, 0, 14, %noreg
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%4 : tgpr = IMPLICIT_DEF
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%4 = tADDhirr %4, %sp, 14, %noreg
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tSTRi %r4, %4, 0, 14, %noreg
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%5 : tgpr = IMPLICIT_DEF
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%5 = tADDhirr %5, %sp, 14, %noreg
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tSTRi %r5, %5, 0, 14, %noreg
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%6 : tgpr = IMPLICIT_DEF
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%6 = tADDhirr %6, %sp, 14, %noreg
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tSTRi %r6, %6, 0, 14, %noreg
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%7 : tgpr = IMPLICIT_DEF
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%7 = tADDhirr %7, %sp, 14, %noreg
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tSTRi %r7, %7, 0, 14, %noreg
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KILL %r0
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KILL %r1
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KILL %r2
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KILL %r3
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KILL %r4
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KILL %r5
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KILL %r6
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KILL %r7
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