| Chris Lattner | dfe7b0a | 2007-12-29 00:57:06 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i32 %A} |
| Chris Lattner | 4184789 | 2007-12-29 00:59:12 +0000 | [diff] [blame^] | 2 | ; RUN: llvm-as < %s | opt -die | llvm-dis | not grep call.*llvm.stacksave |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 3 | |
| Chris Lattner | dfe7b0a | 2007-12-29 00:57:06 +0000 | [diff] [blame] | 4 | define i32 @test(i32 %A) { |
| 5 | %X = or i1 false, false |
| 6 | br i1 %X, label %T, label %C |
| 7 | |
| 8 | T: ; preds = %0 |
| 9 | %B = add i32 %A, 1 |
| 10 | br label %C |
| 11 | |
| 12 | C: ; preds = %T, %0 |
| 13 | %C.upgrd.1 = phi i32 [ %B, %T ], [ %A, %0 ] |
| 14 | ret i32 %C.upgrd.1 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 15 | } |
| Chris Lattner | 4184789 | 2007-12-29 00:59:12 +0000 | [diff] [blame^] | 16 | |
| 17 | define i32* @test2(i32 %width) { |
| 18 | %tmp = call i8* @llvm.stacksave( ) |
| 19 | %tmp14 = alloca i32, i32 %width |
| 20 | ret i32* %tmp14 |
| 21 | } |
| 22 | |
| 23 | declare i8* @llvm.stacksave() |
| 24 | |