1; RUN: llc < %s -mtriple=armv6-eabi -mattr=+vfp2 -float-abi=hard
2; PR4419
3
4define float @__ieee754_acosf(float %x) nounwind {
5entry:
6	br i1 undef, label %bb, label %bb4
7
8bb:		; preds = %entry
9	ret float undef
10
11bb4:		; preds = %entry
12	br i1 undef, label %bb5, label %bb6
13
14bb5:		; preds = %bb4
15	ret float undef
16
17bb6:		; preds = %bb4
18	br i1 undef, label %bb11, label %bb12
19
20bb11:		; preds = %bb6
21	%0 = tail call float @__ieee754_sqrtf(float undef) nounwind		; <float> [#uses=1]
22	%1 = fmul float %0, -2.000000e+00		; <float> [#uses=1]
23	%2 = fadd float %1, 0x400921FB40000000		; <float> [#uses=1]
24	ret float %2
25
26bb12:		; preds = %bb6
27	ret float undef
28}
29
30declare float @__ieee754_sqrtf(float)
31