forked from OSchip/llvm-project
21 lines
705 B
LLVM
21 lines
705 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | FileCheck %s
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; Check that the X86 stackmap shadow optimization is only outputting a 1-byte
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; nop here. 8-bytes are requested, but 7 are covered by the code for the call to
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; bar, the frame teardown and the return.
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define void @shadow_optimization_test() {
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entry:
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; CHECK-LABEL: shadow_optimization_test:
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; CHECK: callq _bar
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; CHECK-NOT: nop
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; CHECK: callq _bar
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; CHECK: retq
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; CHECK: nop
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call void @bar()
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tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 0, i32 8)
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call void @bar()
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ret void
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}
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declare void @llvm.experimental.stackmap(i64, i32, ...)
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declare void @bar() |