| Daniel Dunbar | b9ea94c | 2009-09-05 11:35:16 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -instcombine %s | FileCheck %s |
| Chris Lattner | 49a594e | 2008-05-08 17:37:37 +0000 | [diff] [blame] | 2 | ; PR2297 |
| 3 | 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" |
| 4 | target triple = "i386-apple-darwin8" |
| 5 | |
| 6 | define i32 @a() nounwind { |
| 7 | entry: |
| 8 | %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| 9 | %tmp1 = call i8* @malloc( i32 10 ) nounwind ; <i8*> [#uses=5] |
| 10 | %tmp3 = getelementptr i8* %tmp1, i32 1 ; <i8*> [#uses=1] |
| 11 | store i8 0, i8* %tmp3, align 1 |
| 12 | %tmp5 = getelementptr i8* %tmp1, i32 0 ; <i8*> [#uses=1] |
| 13 | store i8 1, i8* %tmp5, align 1 |
| Daniel Dunbar | b9ea94c | 2009-09-05 11:35:16 +0000 | [diff] [blame] | 14 | ; CHECK: store |
| 15 | ; CHECK: store |
| 16 | ; CHECK-NEXT: strlen |
| 17 | ; CHECK-NEXT: store |
| Chris Lattner | 49a594e | 2008-05-08 17:37:37 +0000 | [diff] [blame] | 18 | %tmp7 = call i32 @strlen( i8* %tmp1 ) nounwind readonly ; <i32> [#uses=1] |
| 19 | %tmp9 = getelementptr i8* %tmp1, i32 0 ; <i8*> [#uses=1] |
| 20 | store i8 0, i8* %tmp9, align 1 |
| 21 | %tmp11 = call i32 (...)* @b( i8* %tmp1 ) nounwind ; <i32> [#uses=0] |
| 22 | br label %return |
| 23 | |
| 24 | return: ; preds = %entry |
| 25 | ret i32 %tmp7 |
| 26 | } |
| 27 | |
| 28 | declare i8* @malloc(i32) nounwind |
| 29 | |
| 30 | declare i32 @strlen(i8*) nounwind readonly |
| 31 | |
| 32 | declare i32 @b(...) |