| ; Coalescing from R32 to a subset R32_. Once another register coalescer bug is |
| ; fixed, the movb should go away as well. |
| |
| ; RUN: llc < %s -march=x86 -relocation-model=static | \ |
| ; RUN: grep movl |
| |
| @B = external global i32 ; <i32*> [#uses=2] |
| @C = external global i16* ; <i16**> [#uses=2] |
| |
| define void @test(i32 %A) { |
| %A.upgrd.1 = trunc i32 %A to i8 ; <i8> [#uses=1] |
| %tmp2 = load i32* @B ; <i32> [#uses=1] |
| %tmp3 = and i8 %A.upgrd.1, 16 ; <i8> [#uses=1] |
| %shift.upgrd.2 = zext i8 %tmp3 to i32 ; <i32> [#uses=1] |
| %tmp4 = shl i32 %tmp2, %shift.upgrd.2 ; <i32> [#uses=1] |
| store i32 %tmp4, i32* @B |
| %tmp6 = lshr i32 %A, 3 ; <i32> [#uses=1] |
| %tmp = load i16** @C ; <i16*> [#uses=1] |
| %tmp8 = ptrtoint i16* %tmp to i32 ; <i32> [#uses=1] |
| %tmp9 = add i32 %tmp8, %tmp6 ; <i32> [#uses=1] |
| %tmp9.upgrd.3 = inttoptr i32 %tmp9 to i16* ; <i16*> [#uses=1] |
| store i16* %tmp9.upgrd.3, i16** @C |
| ret void |
| } |
| |
