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78 lines
2.5 KiB
YAML
78 lines
2.5 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple aarch64-apple-ios -run-pass=aarch64-postlegalizer-combiner --aarch64postlegalizercombiner-only-enable-rule="ptr_add_immed_chain" %s -o - -verify-machineinstrs | FileCheck %s
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# REQUIRES: asserts
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# Check that we fold two adds of constant offsets with G_PTR_ADD into a single G_PTR_ADD.
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---
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name: ptradd_chain
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tracksRegLiveness: true
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legalized: true
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body: |
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bb.1:
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liveins: $x0
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; CHECK-LABEL: name: ptradd_chain
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; CHECK: liveins: $x0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
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; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
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; CHECK-NEXT: $x0 = COPY [[PTR_ADD]](p0)
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; CHECK-NEXT: RET_ReallyLR implicit $x0
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%0:_(p0) = COPY $x0
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%1:_(s64) = G_CONSTANT i64 4
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%2:_(s64) = G_CONSTANT i64 12
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%3:_(p0) = G_PTR_ADD %0(p0), %1
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%4:_(p0) = G_PTR_ADD %3(p0), %2
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$x0 = COPY %4(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: ptradd_chain_nuw
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tracksRegLiveness: true
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legalized: true
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body: |
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bb.1:
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liveins: $x0
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; CHECK-LABEL: name: ptradd_chain_nuw
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; CHECK: liveins: $x0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
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; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = nuw G_PTR_ADD [[COPY]], [[C]](s64)
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; CHECK-NEXT: $x0 = COPY [[PTR_ADD]](p0)
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; CHECK-NEXT: RET_ReallyLR implicit $x0
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%0:_(p0) = COPY $x0
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%1:_(s64) = G_CONSTANT i64 4
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%2:_(s64) = G_CONSTANT i64 12
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%3:_(p0) = nuw G_PTR_ADD %0(p0), %1
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%4:_(p0) = nuw G_PTR_ADD %3(p0), %2
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$x0 = COPY %4(p0)
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RET_ReallyLR implicit $x0
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...
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---
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name: ptradd_chain_nuw_inbounds
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tracksRegLiveness: true
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legalized: true
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body: |
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bb.1:
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liveins: $x0
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; CHECK-LABEL: name: ptradd_chain_nuw_inbounds
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; CHECK: liveins: $x0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
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; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = nuw nusw inbounds G_PTR_ADD [[COPY]], [[C]](s64)
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; CHECK-NEXT: $x0 = COPY [[PTR_ADD]](p0)
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; CHECK-NEXT: RET_ReallyLR implicit $x0
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%0:_(p0) = COPY $x0
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%1:_(s64) = G_CONSTANT i64 4
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%2:_(s64) = G_CONSTANT i64 12
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%3:_(p0) = nuw nusw inbounds G_PTR_ADD %0(p0), %1
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%4:_(p0) = nuw nusw inbounds G_PTR_ADD %3(p0), %2
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$x0 = COPY %4(p0)
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RET_ReallyLR implicit $x0
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...
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