1 ; RUN: llvm-as < %s | opt -memcpyopt | llvm-dis | not grep store
2 ; RUN: llvm-as < %s | opt -memcpyopt | llvm-dis | grep {call.*llvm.memset}
4 ; All the stores in this example should be merged into a single memset.
6 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
7 target triple = "i386-apple-darwin8"
9 define void @foo(i8 signext %c) nounwind {
11 %x = alloca [19 x i8] ; <[19 x i8]*> [#uses=20]
12 %tmp = getelementptr [19 x i8]* %x, i32 0, i32 0 ; <i8*> [#uses=1]
13 store i8 %c, i8* %tmp, align 1
14 %tmp5 = getelementptr [19 x i8]* %x, i32 0, i32 1 ; <i8*> [#uses=1]
15 store i8 %c, i8* %tmp5, align 1
16 %tmp9 = getelementptr [19 x i8]* %x, i32 0, i32 2 ; <i8*> [#uses=1]
17 store i8 %c, i8* %tmp9, align 1
18 %tmp13 = getelementptr [19 x i8]* %x, i32 0, i32 3 ; <i8*> [#uses=1]
19 store i8 %c, i8* %tmp13, align 1
20 %tmp17 = getelementptr [19 x i8]* %x, i32 0, i32 4 ; <i8*> [#uses=1]
21 store i8 %c, i8* %tmp17, align 1
22 %tmp21 = getelementptr [19 x i8]* %x, i32 0, i32 5 ; <i8*> [#uses=1]
23 store i8 %c, i8* %tmp21, align 1
24 %tmp25 = getelementptr [19 x i8]* %x, i32 0, i32 6 ; <i8*> [#uses=1]
25 store i8 %c, i8* %tmp25, align 1
26 %tmp29 = getelementptr [19 x i8]* %x, i32 0, i32 7 ; <i8*> [#uses=1]
27 store i8 %c, i8* %tmp29, align 1
28 %tmp33 = getelementptr [19 x i8]* %x, i32 0, i32 8 ; <i8*> [#uses=1]
29 store i8 %c, i8* %tmp33, align 1
30 %tmp37 = getelementptr [19 x i8]* %x, i32 0, i32 9 ; <i8*> [#uses=1]
31 store i8 %c, i8* %tmp37, align 1
32 %tmp41 = getelementptr [19 x i8]* %x, i32 0, i32 10 ; <i8*> [#uses=1]
33 store i8 %c, i8* %tmp41, align 1
34 %tmp45 = getelementptr [19 x i8]* %x, i32 0, i32 11 ; <i8*> [#uses=1]
35 store i8 %c, i8* %tmp45, align 1
36 %tmp49 = getelementptr [19 x i8]* %x, i32 0, i32 12 ; <i8*> [#uses=1]
37 store i8 %c, i8* %tmp49, align 1
38 %tmp53 = getelementptr [19 x i8]* %x, i32 0, i32 13 ; <i8*> [#uses=1]
39 store i8 %c, i8* %tmp53, align 1
40 %tmp57 = getelementptr [19 x i8]* %x, i32 0, i32 14 ; <i8*> [#uses=1]
41 store i8 %c, i8* %tmp57, align 1
42 %tmp61 = getelementptr [19 x i8]* %x, i32 0, i32 15 ; <i8*> [#uses=1]
43 store i8 %c, i8* %tmp61, align 1
44 %tmp65 = getelementptr [19 x i8]* %x, i32 0, i32 16 ; <i8*> [#uses=1]
45 store i8 %c, i8* %tmp65, align 1
46 %tmp69 = getelementptr [19 x i8]* %x, i32 0, i32 17 ; <i8*> [#uses=1]
47 store i8 %c, i8* %tmp69, align 1
48 %tmp73 = getelementptr [19 x i8]* %x, i32 0, i32 18 ; <i8*> [#uses=1]
49 store i8 %c, i8* %tmp73, align 1
50 %tmp76 = call i32 (...)* @bar( [19 x i8]* %x ) nounwind ; <i32> [#uses=0]