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70c7e49d44
The memory folding raplaced the old instruction without copying the symbols assigned. Which will resulted in built fail due to the lost symbols. Reviewed by craig.topper Differential Revision: https://reviews.llvm.org/D78471
16 lines
591 B
LLVM
16 lines
591 B
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -x86-speculative-load-hardening | FileCheck %s
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define i32 @foo(void ()** %0) {
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; CHECK-LABEL: foo:
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; CHECK: callq *(%{{.*}})
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; CHECK-NEXT: .Lslh_ret_addr0:
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; CHECK-NEXT: movq %rsp, %rcx
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; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
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; CHECK-NEXT: sarq $63, %rcx
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; CHECK-NEXT: cmpq $.Lslh_ret_addr0, %rax
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%2 = load void ()*, void ()** %0
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call void asm sideeffect "", "~{bx},~{cx},~{dx},~{bp},~{si},~{di},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{dirflag},~{fpsr},~{flags}"()
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call void %2()
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ret i32 0
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}
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