brintos

brintos / llvm-project-archived public Read only

0
0
Text · 1.2 KiB · e366c30 Raw
28 lines · plain
1; Neither of these functions should contain algebraic right shifts2; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep srawi3 4define i32 @test1(i32 %mode.0.i.0) {5        %tmp.79 = bitcast i32 %mode.0.i.0 to i32                ; <i32> [#uses=1]6        %tmp.80 = ashr i32 %tmp.79, 15          ; <i32> [#uses=1]7        %tmp.81 = and i32 %tmp.80, 24           ; <i32> [#uses=1]8        ret i32 %tmp.819}10 11define i32 @test2(i32 %mode.0.i.0) {12        %tmp.79 = bitcast i32 %mode.0.i.0 to i32                ; <i32> [#uses=1]13        %tmp.80 = ashr i32 %tmp.79, 15          ; <i32> [#uses=1]14        %tmp.81 = lshr i32 %mode.0.i.0, 16              ; <i32> [#uses=1]15        %tmp.82 = bitcast i32 %tmp.81 to i32            ; <i32> [#uses=1]16        %tmp.83 = and i32 %tmp.80, %tmp.82              ; <i32> [#uses=1]17        ret i32 %tmp.8318}19 20define i32 @test3(i32 %specbits.6.1) {21        %tmp.2540 = ashr i32 %specbits.6.1, 11          ; <i32> [#uses=1]22        %tmp.2541 = bitcast i32 %tmp.2540 to i32                ; <i32> [#uses=1]23        %tmp.2542 = shl i32 %tmp.2541, 13               ; <i32> [#uses=1]24        %tmp.2543 = and i32 %tmp.2542, 8192             ; <i32> [#uses=1]25        ret i32 %tmp.254326}27 28