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[llvm-exegesis] Fix 44b9942898c7.

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Summary:
Add missing stack release instructions in
loadImplicitRegAndFinalize.

Reviewers: pengfei, gchatelet

Subscribers: tschuett, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D70903
This commit is contained in:
Clement Courbet 2019-12-02 14:58:41 +01:00
parent 2926999f1a
commit e9195205b7
2 changed files with 14 additions and 0 deletions
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13
test/tools/llvm-exegesis/X86/latency-SQRTSSr.s Normal file
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@ -0,0 +1,13 @@
# RUN: llvm-exegesis -mode=latency -opcode-name=SQRTSSr -repetition-mode=loop | FileCheck %s
# Check that the setup code for MXCSR does not crash the snippet.
CHECK: ---
CHECK-NEXT: mode: latency
CHECK-NEXT: key:
CHECK-NEXT: instructions:
CHECK-NEXT: SQRTSSr
CHECK-NEXT: config: ''
CHECK-NEXT: register_initial_values:
CHECK-NOT: crashed
CHECK-LAST: ...

1
tools/llvm-exegesis/lib/X86/Target.cpp
View File

@ -513,6 +513,7 @@ ConstantInliner::loadImplicitRegAndFinalize(unsigned Opcode, unsigned Value) {
.addReg(0) // IndexReg
.addImm(0) // Disp
.addReg(0)); // Segment
add(releaseStackSpace(4));
return std::move(Instructions);
}