| Chris Lattner | 53ccb62 | 2008-03-22 05:37:16 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -gvn | llvm-dis | not grep store |
| 2 | ; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep llvm.memset |
| 3 | |
| 4 | ; All the stores in this example should be merged into a single memset. |
| 5 | |
| 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" |
| 8 | |
| 9 | define void @foo(i8 signext %c) nounwind { |
| 10 | entry: |
| 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] |
| 51 | ret void |
| 52 | } |
| 53 | |
| 54 | declare i32 @bar(...) |
| 55 | |