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| -rw-r--r-- | test/CodeGen/X86/2012-04-09-TwoAddrPassBug.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2012-04-09-TwoAddrPassBug.ll b/test/CodeGen/X86/2012-04-09-TwoAddrPassBug.ll new file mode 100644 index 0000000000..2d90165088 --- /dev/null +++ b/test/CodeGen/X86/2012-04-09-TwoAddrPassBug.ll @@ -0,0 +1,34 @@ +; RUN: llc -O1 -verify-coalescing < %s +; PR12495 +target datalayout = +"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.7.0" + +define void @func(i8* nocapture) nounwind uwtable ssp align 2 { + br i1 undef, label %4, label %2 + +; <label>:2 ; preds = %1 + %3 = tail call double @foo() nounwind + br label %4 + +; <label>:4 ; preds = %2, %1 + %5 = phi double [ %3, %2 ], [ 0.000000e+00, %1 ] + %6 = fsub double %5, undef + %7 = fcmp olt double %6, 0.000000e+00 + %8 = select i1 %7, double 0.000000e+00, double %6 + %9 = fcmp olt double undef, 0.000000e+00 + %10 = fcmp olt double %8, undef + %11 = or i1 %9, %10 + br i1 %11, label %12, label %14 + +; <label>:12 ; preds = %4 + %13 = tail call double @fmod(double %8, double 0.000000e+00) nounwind + unreachable + +; <label>:14 ; preds = %4 + ret void +} + +declare double @foo() + +declare double @fmod(double, double) |