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https://github.com/Gericom/teak-llvm.git
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aa82172898
xray-empty-firstmbb.mir does not test the intended code path. Change xray-instruction-threshold to 0 to exercise the code path. Delete xray-empty-function.mir . Empty MachineFunction does not work. Various passes (e.g. MachineDominatorTree) assume the presence of an entry block.
24 lines
431 B
YAML
24 lines
431 B
YAML
# RUN: llc -run-pass xray-instrumentation -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s
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#
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# Make sure we can handle empty first basic blocks.
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--- |
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define i32 @foo() noinline uwtable "xray-instruction-threshold"="0" {
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entry:
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unreachable
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}
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...
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---
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name: foo
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tracksRegLiveness: true
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liveins:
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- { reg: '$edi'}
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body: |
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bb.0.entry:
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liveins: $edi
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; CHECK-NOT: PATCHABLE_FUNCTION_ENTER
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...
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