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-rw-r--r--llvm/lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp2
-rw-r--r--llvm/test/CodeGen/X86/pr39926.ll6
2 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp b/llvm/lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp
index eb9c4b3e597..2850baf7a65 100644
--- a/llvm/lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp
+++ b/llvm/lib/Target/X86/X86AvoidStoreForwardingBlocks.cpp
@@ -586,7 +586,7 @@ void X86AvoidSFBPass::breakBlockedCopies(
StDisp2 += OverlapDelta;
Size2 -= OverlapDelta;
}
- Size1 = std::abs(std::abs(LdDisp2) - std::abs(LdDisp1));
+ Size1 = LdDisp2 - LdDisp1;
// Build a copy for the point until the current blocking store's
// displacement.
diff --git a/llvm/test/CodeGen/X86/pr39926.ll b/llvm/test/CodeGen/X86/pr39926.ll
index 5b2defbbfea..c22e4f2f9a8 100644
--- a/llvm/test/CodeGen/X86/pr39926.ll
+++ b/llvm/test/CodeGen/X86/pr39926.ll
@@ -8,9 +8,9 @@ define i8 @test_offset(i8* %base) {
; CHECK-NEXT: movb $0, 7(%rdi)
; CHECK-NEXT: movw $0, 5(%rdi)
; CHECK-NEXT: movl $0, 1(%rdi)
-; CHECK-NEXT: movzwl -4(%rdi), %eax
-; CHECK-NEXT: movw %ax, -{{[0-9]+}}(%rsp)
-; CHECK-NEXT: movb -2(%rdi), %al
+; CHECK-NEXT: movl -4(%rdi), %eax
+; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
+; CHECK-NEXT: movb (%rdi), %al
; CHECK-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movl 1(%rdi), %eax
; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
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