diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/pr9127.ll | 12 |
2 files changed, 14 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index ab75db28eae..c14e9db1bd3 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -2712,8 +2712,8 @@ static unsigned TranslateX86CC(ISD::CondCode SetCCOpcode, bool isFP, // First determine if it is required or is profitable to flip the operands. // If LHS is a foldable load, but RHS is not, flip the condition. - if ((ISD::isNON_EXTLoad(LHS.getNode()) && LHS.hasOneUse()) && - !(ISD::isNON_EXTLoad(RHS.getNode()) && RHS.hasOneUse())) { + if (ISD::isNON_EXTLoad(LHS.getNode()) && + !ISD::isNON_EXTLoad(RHS.getNode())) { SetCCOpcode = getSetCCSwappedOperands(SetCCOpcode); std::swap(LHS, RHS); } diff --git a/llvm/test/CodeGen/X86/pr9127.ll b/llvm/test/CodeGen/X86/pr9127.ll new file mode 100644 index 00000000000..af08490b83d --- /dev/null +++ b/llvm/test/CodeGen/X86/pr9127.ll @@ -0,0 +1,12 @@ +; RUN: llc < %s | FileCheck %s + +define i8 @foobar(double %d, double* %x) { +entry: + %tmp2 = load double* %x, align 8 + %cmp = fcmp oeq double %tmp2, %d + %conv3 = zext i1 %cmp to i8 + ret i8 %conv3 +} + +; test that the load is folded. +; CHECK: ucomisd (%rdi), %xmm0 |
