1 ; PR1271 2 ; RUN: opt < %s -instcombine -S | \ 3 ; RUN: grep "ashr exact i32 %.mp137, 2" 4 5 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" 6 target triple = "i686-pc-linux-gnu" 7 8 9 define i1 @test(i32* %tmp141, i32* %tmp145, 10 i32 %b8, i32 %iftmp.430.0, i32* %tmp134.out, i32* %tmp137.out) 11 { 12 newFuncRoot: 13 %tmp133 = and i32 %b8, 1 ; <i32> [#uses=1] 14 %tmp134 = shl i32 %tmp133, 3 ; <i32> [#uses=3] 15 %tmp136 = ashr i32 %b8, 1 ; <i32> [#uses=1] 16 %tmp137 = shl i32 %tmp136, 3 ; <i32> [#uses=3] 17 %tmp139 = ashr i32 %tmp134, 2 ; <i32> [#uses=1] 18 store i32 %tmp139, i32* %tmp141 19 %tmp143 = ashr i32 %tmp137, 2 ; <i32> [#uses=1] 20 store i32 %tmp143, i32* %tmp145 21 icmp eq i32 %iftmp.430.0, 0 ; <i1>:0 [#uses=1] 22 zext i1 %0 to i8 ; <i8>:1 [#uses=1] 23 icmp ne i8 %1, 0 ; <i1>:2 [#uses=1] 24 br i1 %2, label %cond_true147.exitStub, label %cond_false252.exitStub 25 26 cond_true147.exitStub: ; preds = %newFuncRoot 27 store i32 %tmp134, i32* %tmp134.out 28 store i32 %tmp137, i32* %tmp137.out 29 ret i1 true 30 31 cond_false252.exitStub: ; preds = %newFuncRoot 32 store i32 %tmp134, i32* %tmp134.out 33 store i32 %tmp137, i32* %tmp137.out 34 ret i1 false 35 } 36
