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32 lines
965 B
LLVM
32 lines
965 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
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; PR46195 - https://bugs.llvm.org/show_bug.cgi?id=46195
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; It is not safe to sink the load after the call.
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define void @translate(i16* %ptr) nounwind {
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; CHECK-LABEL: translate:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: movq %rdi, %rbx
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; CHECK-NEXT: movl $-32707, %ebp # imm = 0x803D
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; CHECK-NEXT: andl (%rdi), %ebp
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; CHECK-NEXT: callq maybe_mutate
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; CHECK-NEXT: orl $514, %ebp # imm = 0x202
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; CHECK-NEXT: movw %bp, (%rbx)
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; CHECK-NEXT: addq $8, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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%i0 = load i16, i16* %ptr, align 4
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call void @maybe_mutate(i16* %ptr)
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%i1 = and i16 %i0, -32707
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%i2 = or i16 %i1, 514
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store i16 %i2, i16* %ptr, align 4
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ret void
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}
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declare void @maybe_mutate(i16*)
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