51 lines
1.5 KiB
Plaintext
51 lines
1.5 KiB
Plaintext
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -run-pass=aarch64-postlegalizer-combiner -global-isel -verify-machineinstrs %s -o - | FileCheck %s
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--- |
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--"
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define void @test_zeroext(i8* %addr) {
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entry:
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ret void
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}
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define void @test_no_anyext(i8* %addr) {
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entry:
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ret void
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}
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...
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---
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name: test_zeroext
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legalized: true
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body: |
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bb.0.entry:
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liveins: $x0
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; CHECK-LABEL: name: test_zeroext
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; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[COPY]](p0) :: (load 1 from %ir.addr)
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; CHECK: $w0 = COPY [[ZEXTLOAD]](s32)
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%0:_(p0) = COPY $x0
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%1:_(s8) = G_LOAD %0 :: (load 1 from %ir.addr)
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%2:_(s32) = G_ZEXT %1
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$w0 = COPY %2
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...
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---
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name: test_no_anyext
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legalized: true
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body: |
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bb.0.entry:
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liveins: $x0
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; Check that we don't try to do an anyext combine. We don't want to do this
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; because an anyexting load like s64 = G_LOAD %p (load 4) isn't legal.
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; CHECK-LABEL: name: test_no_anyext
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; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 4 from %ir.addr)
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; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[LOAD]](s32)
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; CHECK: $x0 = COPY [[ANYEXT]](s64)
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%0:_(p0) = COPY $x0
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%1:_(s32) = G_LOAD %0 :: (load 4 from %ir.addr)
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%2:_(s64) = G_ANYEXT %1
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$x0 = COPY %2
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...
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