Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; This test makes sure that these instructions are properly constant propagated. |
| 2 | |
Dan Gohman | 5bb7c7c | 2009-09-08 22:34:10 +0000 | [diff] [blame] | 3 | ; RUN: opt < %s -ipsccp -S | not grep load |
| 4 | ; RUN: opt < %s -ipsccp -S | not grep fdiv |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 5 | |
| 6 | @X = constant i212 42 |
| 7 | @Y = constant [2 x { i212, float }] [ { i212, float } { i212 12, float 1.0 }, |
Dale Johannesen | d727a2b | 2007-09-05 17:50:36 +0000 | [diff] [blame] | 8 | { i212, float } { i212 37, float 0x3FF3B2FEC0000000 } ] |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 9 | define i212 @test1() { |
| 10 | %B = load i212* @X |
| 11 | ret i212 %B |
| 12 | } |
| 13 | |
| 14 | define internal float @test2() { |
| 15 | %A = getelementptr [2 x { i212, float}]* @Y, i32 0, i32 1, i32 1 |
| 16 | %B = load float* %A |
| 17 | ret float %B |
| 18 | } |
| 19 | |
| 20 | define internal i212 @test3() { |
| 21 | %A = getelementptr [2 x { i212, float}]* @Y, i32 0, i32 0, i32 0 |
| 22 | %B = load i212* %A |
| 23 | ret i212 %B |
| 24 | } |
| 25 | |
| 26 | define float @All() |
| 27 | { |
| 28 | %A = call float @test2() |
| 29 | %B = call i212 @test3() |
| 30 | %C = mul i212 %B, -1234567 |
| 31 | %D = sitofp i212 %C to float |
| 32 | %E = fdiv float %A, %D |
| 33 | ret float %E |
| 34 | } |
| 35 | |
| 36 | |