| ; RUN: llc < %s -march=x86 | FileCheck %s |
| |
| ;; This example can't fold the or into an LEA. |
| define i32 @test(float ** %tmp2, i32 %tmp12) nounwind { |
| ; CHECK: test: |
| ; CHECK-NOT: ret |
| ; CHECK: orl $1, %{{.*}} |
| ; CHECK: ret |
| |
| %tmp3 = load float** %tmp2 |
| %tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1] |
| %tmp4 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1] |
| %ctg2 = getelementptr i8* %tmp4, i32 %tmp132 ; <i8*> [#uses=1] |
| %tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1] |
| %tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1] |
| ret i32 %tmp14 |
| } |
| |
| ;; This can! |
| define i32 @test2(i32 %a, i32 %b) nounwind { |
| ; CHECK: test2: |
| ; CHECK-NOT: ret |
| ; CHECK: leal 3(,%{{.*}},8) |
| ; CHECK: ret |
| |
| %c = shl i32 %a, 3 |
| %d = or i32 %c, 3 |
| ret i32 %d |
| } |
