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f7f9e664cd
Before, the outliner would grab ADRPs that used LR/W30. This patch fixes that by checking for explicit uses of those registers before the special-casing for ADRPs. This also adds a test that ensures that those sorts of ADRPs won't be outlined. llvm-svn: 330783
58 lines
1.2 KiB
YAML
58 lines
1.2 KiB
YAML
# RUN: llc -simplify-mir -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
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# CHECK-NOT: OUTLINED_FUNCTION
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--- |
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target triple = "arm64----"
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@g = external global i64, align 8
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define void @foo() #0 {
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ret void
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}
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define void @foo2() #0 {
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ret void
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}
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define void @foo3() #0 {
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ret void
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}
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attributes #0 = { nounwind noredzone }
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...
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---
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name: foo
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alignment: 2
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tracksRegLiveness: true
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body: |
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bb.0 (%ir-block.0):
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liveins: $x27, $lr
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$x27 = ADRP target-flags(aarch64-page, aarch64-got) @g
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$lr = ADRP target-flags(aarch64-page, aarch64-got) @g
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RET undef $lr
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...
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---
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name: foo2
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alignment: 2
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tracksRegLiveness: true
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body: |
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bb.0 (%ir-block.0):
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liveins: $x27, $lr
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$x27 = ADRP target-flags(aarch64-page, aarch64-got) @g
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$lr = ADRP target-flags(aarch64-page, aarch64-got) @g
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RET undef $lr
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...
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---
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name: foo3
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alignment: 2
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tracksRegLiveness: true
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body: |
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bb.0 (%ir-block.0):
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liveins: $x27, $lr
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$x27 = ADRP target-flags(aarch64-page, aarch64-got) @g
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$lr = ADRP target-flags(aarch64-page, aarch64-got) @g
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RET undef $lr
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...
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