| ; RUN: llc < %s -mtriple=armv6-eabi -mattr=+vfp2 -float-abi=hard | |
| ; PR4419 | |
| define float @__ieee754_acosf(float %x) nounwind { | |
| entry: | |
| br i1 undef, label %bb, label %bb4 | |
| bb: ; preds = %entry | |
| ret float undef | |
| bb4: ; preds = %entry | |
| br i1 undef, label %bb5, label %bb6 | |
| bb5: ; preds = %bb4 | |
| ret float undef | |
| bb6: ; preds = %bb4 | |
| br i1 undef, label %bb11, label %bb12 | |
| bb11: ; preds = %bb6 | |
| %0 = tail call float @__ieee754_sqrtf(float undef) nounwind ; <float> [#uses=1] | |
| %1 = fmul float %0, -2.000000e+00 ; <float> [#uses=1] | |
| %2 = fadd float %1, 0x400921FB40000000 ; <float> [#uses=1] | |
| ret float %2 | |
| bb12: ; preds = %bb6 | |
| ret float undef | |
| } | |
| declare float @__ieee754_sqrtf(float) |