Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | llc -relocation-model=static -march=x86 | \ |
Dan Gohman | 91888f0 | 2007-07-31 20:11:57 +0000 | [diff] [blame] | 2 | ; RUN: grep {shll \$3} | wc -l | grep 2 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 3 | |
| 4 | ; This should produce two shll instructions, not any lea's. |
| 5 | |
| 6 | target triple = "i686-apple-darwin8" |
| 7 | @Y = weak global i32 0 ; <i32*> [#uses=1] |
| 8 | @X = weak global i32 0 ; <i32*> [#uses=2] |
| 9 | |
| 10 | |
| 11 | define void @fn1() { |
| 12 | entry: |
| 13 | %tmp = load i32* @Y ; <i32> [#uses=1] |
| 14 | %tmp1 = shl i32 %tmp, 3 ; <i32> [#uses=1] |
| 15 | %tmp2 = load i32* @X ; <i32> [#uses=1] |
| 16 | %tmp3 = or i32 %tmp1, %tmp2 ; <i32> [#uses=1] |
| 17 | store i32 %tmp3, i32* @X |
| 18 | ret void |
| 19 | } |
| 20 | |
| 21 | define i32 @fn2(i32 %X, i32 %Y) { |
| 22 | entry: |
| 23 | %tmp2 = shl i32 %Y, 3 ; <i32> [#uses=1] |
| 24 | %tmp4 = or i32 %tmp2, %X ; <i32> [#uses=1] |
| 25 | ret i32 %tmp4 |
| 26 | } |
| 27 | |