| Dan Gohman | fce288f | 2009-09-09 00:09:15 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s |
| Chris Lattner | 929db42 | 2006-01-13 02:25:08 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | 53a66d1 | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 3 | declare i8* @llvm.stacksave() |
| Chris Lattner | 929db42 | 2006-01-13 02:25:08 +0000 | [diff] [blame] | 4 | |
| Tanya Lattner | 53a66d1 | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 5 | declare void @llvm.stackrestore(i8*) |
| 6 | |
| 7 | define i32* @test(i32 %N) { |
| 8 | %tmp = call i8* @llvm.stacksave( ) ; <i8*> [#uses=1] |
| 9 | %P = alloca i32, i32 %N ; <i32*> [#uses=1] |
| 10 | call void @llvm.stackrestore( i8* %tmp ) |
| 11 | %Q = alloca i32, i32 %N ; <i32*> [#uses=0] |
| 12 | ret i32* %P |
| Chris Lattner | 929db42 | 2006-01-13 02:25:08 +0000 | [diff] [blame] | 13 | } |
| Tanya Lattner | 53a66d1 | 2008-02-19 01:41:04 +0000 | [diff] [blame] | 14 | |