2007-09-08-unaligned.ll
2.45 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
; RUN: llc -verify-machineinstrs -mattr=-vsx \
; RUN: -mattr=+allow-unaligned-fp-access < %s | FileCheck %s
; ModuleID = 'foo.c'
target triple = "powerpc-unknown-linux-gnu"
%struct.anon = type <{ i8, float }>
@s = global %struct.anon <{ i8 3, float 0x4014666660000000 }> ; <%struct.anon*> [#uses=1]
@u = global <{ i8, double }> <{ i8 3, double 5.100000e+00 }> ; <<{ i8, double }>*> [#uses=1]
@t = weak global %struct.anon zeroinitializer ; <%struct.anon*> [#uses=2]
@v = weak global <{ i8, double }> zeroinitializer ; <<{ i8, double }>*> [#uses=2]
@.str = internal constant [8 x i8] c"%f %lf\0A\00" ; <[8 x i8]*> [#uses=1]
; CHECK: foo
; CHECK: lfs
; CHECK: lfd
; CHECK: stfs
; CHECK: stfd
; CHECK: blr
define i32 @foo() {
entry:
%retval = alloca i32, align 4 ; <i32*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp = getelementptr %struct.anon, %struct.anon* @s, i32 0, i32 1 ; <float*> [#uses=1]
%tmp1 = load float, float* %tmp, align 1 ; <float> [#uses=1]
%tmp2 = getelementptr %struct.anon, %struct.anon* @t, i32 0, i32 1 ; <float*> [#uses=1]
store float %tmp1, float* %tmp2, align 1
%tmp3 = getelementptr <{ i8, double }>, <{ i8, double }>* @u, i32 0, i32 1 ; <double*> [#uses=1]
%tmp4 = load double, double* %tmp3, align 1 ; <double> [#uses=1]
%tmp5 = getelementptr <{ i8, double }>, <{ i8, double }>* @v, i32 0, i32 1 ; <double*> [#uses=1]
store double %tmp4, double* %tmp5, align 1
br label %return
return: ; preds = %entry
%retval6 = load i32, i32* %retval ; <i32> [#uses=1]
ret i32 %retval6
}
; CHECK: main
; CHECK: lfs
; CHECK: lfd
; CHECK: blr
define i32 @main() {
entry:
%retval = alloca i32, align 4 ; <i32*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp = call i32 @foo( ) ; <i32> [#uses=0]
%tmp1 = getelementptr %struct.anon, %struct.anon* @t, i32 0, i32 1 ; <float*> [#uses=1]
%tmp2 = load float, float* %tmp1, align 1 ; <float> [#uses=1]
%tmp23 = fpext float %tmp2 to double ; <double> [#uses=1]
%tmp4 = getelementptr <{ i8, double }>, <{ i8, double }>* @v, i32 0, i32 1 ; <double*> [#uses=1]
%tmp5 = load double, double* %tmp4, align 1 ; <double> [#uses=1]
%tmp6 = getelementptr [8 x i8], [8 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
%tmp7 = call i32 (i8*, ...) @printf( i8* %tmp6, double %tmp23, double %tmp5 ) ; <i32> [#uses=0]
br label %return
return: ; preds = %entry
%retval8 = load i32, i32* %retval ; <i32> [#uses=1]
ret i32 %retval8
}
declare i32 @printf(i8*, ...)