| Dan Gohman | 5bb7c7c | 2009-09-08 22:34:10 +0000 | [diff] [blame] | 1 | ; RUN: opt %s -argpromotion -instcombine -S | not grep load |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 3 | @G1 = constant i32 0 ; <i32*> [#uses=1] |
| 4 | @G2 = constant i32* @G1 ; <i32**> [#uses=1] |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 5 | |
| Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 6 | define internal i32 @test(i32** %X) { |
| 7 | %Y = load i32** %X ; <i32*> [#uses=1] |
| 8 | %X.upgrd.1 = load i32* %Y ; <i32> [#uses=1] |
| 9 | ret i32 %X.upgrd.1 |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 10 | } |
| 11 | |
| Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 12 | define i32 @caller(i32** %P) { |
| 13 | %X = call i32 @test( i32** @G2 ) ; <i32> [#uses=1] |
| 14 | ret i32 %X |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 15 | } |
| Tanya Lattner | 4c4d0b8 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 16 | |