1 ; RUN: llc < %s -march=x86 -relocation-model=static | not grep "subl.*%esp" 2 3 @A = external global i16* ; <i16**> [#uses=1] 4 @B = external global i32 ; <i32*> [#uses=1] 5 @C = external global i32 ; <i32*> [#uses=2] 6 7 define void @test() { 8 %tmp = load i16*, i16** @A ; <i16*> [#uses=1] 9 %tmp1 = getelementptr i16, i16* %tmp, i32 1 ; <i16*> [#uses=1] 10 %tmp.upgrd.1 = load i16, i16* %tmp1 ; <i16> [#uses=1] 11 %tmp3 = zext i16 %tmp.upgrd.1 to i32 ; <i32> [#uses=1] 12 %tmp.upgrd.2 = load i32, i32* @B ; <i32> [#uses=1] 13 %tmp4 = and i32 %tmp.upgrd.2, 16 ; <i32> [#uses=1] 14 %tmp5 = load i32, i32* @C ; <i32> [#uses=1] 15 %tmp6 = trunc i32 %tmp4 to i8 ; <i8> [#uses=2] 16 %shift.upgrd.3 = zext i8 %tmp6 to i32 ; <i32> [#uses=1] 17 %tmp7 = shl i32 %tmp5, %shift.upgrd.3 ; <i32> [#uses=1] 18 %tmp9 = xor i8 %tmp6, 16 ; <i8> [#uses=1] 19 %shift.upgrd.4 = zext i8 %tmp9 to i32 ; <i32> [#uses=1] 20 %tmp11 = lshr i32 %tmp3, %shift.upgrd.4 ; <i32> [#uses=1] 21 %tmp12 = or i32 %tmp11, %tmp7 ; <i32> [#uses=1] 22 store i32 %tmp12, i32* @C 23 ret void 24 } 25 26
