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b3f91b0af7
Do not eliminate the frame pointer if there is a stackmap or patchpoint in the function. All stackmap references should be FP relative. This fixes PR21107. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218920 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
689 B
LLVM
22 lines
689 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | 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()
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