diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-fneg-kill.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-fneg-kill.ll b/llvm/test/CodeGen/X86/fast-isel-fneg-kill.ll new file mode 100644 index 00000000000..d3836012f90 --- /dev/null +++ b/llvm/test/CodeGen/X86/fast-isel-fneg-kill.ll @@ -0,0 +1,22 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-apple-darwin10 -stop-after=expand-isel-pseudos | FileCheck %s + +; Make sure we output the right kill flag for the xor conversion. + +define void @goo(double* %x, double* %y) nounwind { +; CHECK: %[[REG2:.*]]:gr64 = COPY $rsi +; CHECK-NEXT: %[[REG0:.*]]:gr64 = COPY $rdi +; CHECK-NEXT: %[[REG1:.*]]:gr64 = COPY killed %[[REG0]] +; CHECK-NEXT: %[[REG3:.*]]:gr64 = COPY killed %[[REG2]] +; CHECK-NEXT: %[[REG10:.*]]:fr64 = MOVSDrm %[[REG1]], 1, $noreg, 0, $noreg :: (load 8 from %ir.x) +; CHECK-NEXT: %[[REG6:.*]]:gr64 = MOVSDto64rr %[[REG10]] +; CHECK-NEXT: %[[REG7:.*]]:gr64 = MOV64ri -9223372036854775808 +; CHECK-NEXT: %[[REG8:.*]]:gr64 = XOR64rr killed %[[REG6]], %[[REG7]], implicit-def $eflags +; CHECK-NEXT: %[[REG9:.*]]:fr64 = MOV64toSDrr killed %[[REG8]] +; CHECK-NEXT: MOVSDmr %[[REG3]], 1, $noreg, 0, $noreg, killed %[[REG9]] :: (store 8 into %ir.y) +; CHECK-NEXT: RETQ + %a = load double, double* %x + %b = fsub double -0.0, %a + store double %b, double* %y + ret void +} |
