1; RUN: llc -march=mips -soft-float < %s
2; PR2667
3target datalayout = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
4	%struct._Bigint = type { %struct._Bigint*, i32, i32, i32, i32, [1 x i32] }
5	%struct.__FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*, i8*, i32)*, i32 (i8*, i8*, i32)*, i32 (i8*, i32, i32)*, i32 (i8*)*, %struct.__sbuf, i8*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i32, %struct._reent*, i32 }
6	%struct.__sbuf = type { i8*, i32 }
7	%struct._atexit = type { %struct._atexit*, i32, [32 x void ()*], %struct._on_exit_args }
8	%struct._glue = type { %struct._glue*, i32, %struct.__FILE* }
9	%struct._on_exit_args = type { [32 x i8*], [32 x i8*], i32, i32 }
10	%struct._reent = type { i32, %struct.__FILE*, %struct.__FILE*, %struct.__FILE*, i32, [25 x i8], i32, i8*, i32, void (%struct._reent*)*, %struct._Bigint*, i32, %struct._Bigint*, %struct._Bigint**, i32, i8*, { { [30 x i8*], [30 x i32] } }, %struct._atexit*, %struct._atexit, void (i32)**, %struct._glue, [3 x %struct.__FILE] }
11@_impure_ptr = external global %struct._reent*		; <%struct._reent**> [#uses=1]
12
13define double @_erand48_r(%struct._reent* %r, i16* %xseed) nounwind {
14entry:
15	tail call void @__dorand48( %struct._reent* %r, i16* %xseed ) nounwind
16	load i16* %xseed, align 2		; <i16>:0 [#uses=1]
17	uitofp i16 %0 to double		; <double>:1 [#uses=1]
18	tail call double @ldexp( double %1, i32 -48 ) nounwind		; <double>:2 [#uses=1]
19	getelementptr i16* %xseed, i32 1		; <i16*>:3 [#uses=1]
20	load i16* %3, align 2		; <i16>:4 [#uses=1]
21	uitofp i16 %4 to double		; <double>:5 [#uses=1]
22	tail call double @ldexp( double %5, i32 -32 ) nounwind		; <double>:6 [#uses=1]
23	fadd double %2, %6		; <double>:7 [#uses=1]
24	getelementptr i16* %xseed, i32 2		; <i16*>:8 [#uses=1]
25	load i16* %8, align 2		; <i16>:9 [#uses=1]
26	uitofp i16 %9 to double		; <double>:10 [#uses=1]
27	tail call double @ldexp( double %10, i32 -16 ) nounwind		; <double>:11 [#uses=1]
28	fadd double %7, %11		; <double>:12 [#uses=1]
29	ret double %12
30}
31
32declare void @__dorand48(%struct._reent*, i16*)
33
34declare double @ldexp(double, i32)
35
36define double @erand48(i16* %xseed) nounwind {
37entry:
38	load %struct._reent** @_impure_ptr, align 4		; <%struct._reent*>:0 [#uses=1]
39	tail call void @__dorand48( %struct._reent* %0, i16* %xseed ) nounwind
40	load i16* %xseed, align 2		; <i16>:1 [#uses=1]
41	uitofp i16 %1 to double		; <double>:2 [#uses=1]
42	tail call double @ldexp( double %2, i32 -48 ) nounwind		; <double>:3 [#uses=1]
43	getelementptr i16* %xseed, i32 1		; <i16*>:4 [#uses=1]
44	load i16* %4, align 2		; <i16>:5 [#uses=1]
45	uitofp i16 %5 to double		; <double>:6 [#uses=1]
46	tail call double @ldexp( double %6, i32 -32 ) nounwind		; <double>:7 [#uses=1]
47	fadd double %3, %7		; <double>:8 [#uses=1]
48	getelementptr i16* %xseed, i32 2		; <i16*>:9 [#uses=1]
49	load i16* %9, align 2		; <i16>:10 [#uses=1]
50	uitofp i16 %10 to double		; <double>:11 [#uses=1]
51	tail call double @ldexp( double %11, i32 -16 ) nounwind		; <double>:12 [#uses=1]
52	fadd double %8, %12		; <double>:13 [#uses=1]
53	ret double %13
54}
55