; Tests to make sure elimination of casts is working correctly ; RUN: opt < %s -instcombine -S | FileCheck %s target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n8:16:32:64" @inbuf = external global [32832 x i8] ; <[32832 x i8]*> [#uses=1] define i32 @test1(i32 %A) { %c1 = bitcast i32 %A to i32 ; [#uses=1] %c2 = bitcast i32 %c1 to i32 ; [#uses=1] ret i32 %c2 ; CHECK: ret i32 %A } define i64 @test2(i8 %A) { %c1 = zext i8 %A to i16 ; [#uses=1] %c2 = zext i16 %c1 to i32 ; [#uses=1] %Ret = zext i32 %c2 to i64 ; [#uses=1] ret i64 %Ret ; CHECK: %Ret = zext i8 %A to i64 ; CHECK: ret i64 %Ret } ; This function should just use bitwise AND define i64 @test3(i64 %A) { %c1 = trunc i64 %A to i8 ; [#uses=1] %c2 = zext i8 %c1 to i64 ; [#uses=1] ret i64 %c2 ; CHECK: %c2 = and i64 %A, 255 ; CHECK: ret i64 %c2 } define i32 @test4(i32 %A, i32 %B) { %COND = icmp slt i32 %A, %B ; [#uses=1] ; Booleans are unsigned integrals %c = zext i1 %COND to i8 ; [#uses=1] ; for the cast elim purpose %result = zext i8 %c to i32 ; [#uses=1] ret i32 %result ; CHECK: %COND = icmp slt i32 %A, %B ; CHECK: %result = zext i1 %COND to i32 ; CHECK: ret i32 %result } define i32 @test5(i1 %B) { ; This cast should get folded into %c = zext i1 %B to i8 ; [#uses=1] ; this cast %result = zext i8 %c to i32 ; [#uses=1] ret i32 %result ; CHECK: %result = zext i1 %B to i32 ; CHECK: ret i32 %result } define i32 @test6(i64 %A) { %c1 = trunc i64 %A to i32 ; [#uses=1] %res = bitcast i32 %c1 to i32 ; [#uses=1] ret i32 %res ; CHECK: trunc i64 %A to i32 ; CHECK-NEXT: ret i32 } define i64 @test7(i1 %A) { %c1 = zext i1 %A to i32 ; [#uses=1] %res = sext i32 %c1 to i64 ; [#uses=1] ret i64 %res ; CHECK: %res = zext i1 %A to i64 ; CHECK: ret i64 %res } define i64 @test8(i8 %A) { %c1 = sext i8 %A to i64 ; [#uses=1] %res = bitcast i64 %c1 to i64 ; [#uses=1] ret i64 %res ; CHECK: = sext i8 %A to i64 ; CHECK-NEXT: ret i64 } define i16 @test9(i16 %A) { %c1 = sext i16 %A to i32 ; [#uses=1] %c2 = trunc i32 %c1 to i16 ; [#uses=1] ret i16 %c2 ; CHECK: ret i16 %A } define i16 @test10(i16 %A) { %c1 = sext i16 %A to i32 ; [#uses=1] %c2 = trunc i32 %c1 to i16 ; [#uses=1] ret i16 %c2 ; CHECK: ret i16 %A } declare void @varargs(i32, ...) define void @test11(i32* %P) { %c = bitcast i32* %P to i16* ; [#uses=1] call void (i32, ...)* @varargs( i32 5, i16* %c ) ret void ; CHECK: call void (i32, ...)* @varargs(i32 5, i32* %P) ; CHECK: ret void } define i8* @test13(i64 %A) { %c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A ; [#uses=1] ret i8* %c ; CHECK: %c = getelementptr [32832 x i8]* @inbuf, i64 0, i64 %A ; CHECK: ret i8* %c } define i1 @test14(i8 %A) { %c = bitcast i8 %A to i8 ; [#uses=1] %X = icmp ult i8 %c, -128 ; [#uses=1] ret i1 %X ; CHECK: %X = icmp sgt i8 %A, -1 ; CHECK: ret i1 %X } ; This just won't occur when there's no difference between ubyte and sbyte ;bool %test15(ubyte %A) { ; %c = cast ubyte %A to sbyte ; %X = setlt sbyte %c, 0 ; setgt %A, 127 ; ret bool %X ;} define i1 @test16(i32* %P) { %c = icmp ne i32* %P, null ; [#uses=1] ret i1 %c ; CHECK: %c = icmp ne i32* %P, null ; CHECK: ret i1 %c } define i16 @test17(i1 %tmp3) { %c = zext i1 %tmp3 to i32 ; [#uses=1] %t86 = trunc i32 %c to i16 ; [#uses=1] ret i16 %t86 ; CHECK: %t86 = zext i1 %tmp3 to i16 ; CHECK: ret i16 %t86 } define i16 @test18(i8 %tmp3) { %c = sext i8 %tmp3 to i32 ; [#uses=1] %t86 = trunc i32 %c to i16 ; [#uses=1] ret i16 %t86 ; CHECK: %t86 = sext i8 %tmp3 to i16 ; CHECK: ret i16 %t86 } define i1 @test19(i32 %X) { %c = sext i32 %X to i64 ; [#uses=1] %Z = icmp slt i64 %c, 12345 ; [#uses=1] ret i1 %Z ; CHECK: %Z = icmp slt i32 %X, 12345 ; CHECK: ret i1 %Z } define i1 @test20(i1 %B) { %c = zext i1 %B to i32 ; [#uses=1] %D = icmp slt i32 %c, -1 ; [#uses=1] ;; false ret i1 %D ; CHECK: ret i1 false } define i32 @test21(i32 %X) { %c1 = trunc i32 %X to i8 ; [#uses=1] ;; sext -> zext -> and -> nop %c2 = sext i8 %c1 to i32 ; [#uses=1] %RV = and i32 %c2, 255 ; [#uses=1] ret i32 %RV ; CHECK: %c21 = and i32 %X, 255 ; CHECK: ret i32 %c21 } define i32 @test22(i32 %X) { %c1 = trunc i32 %X to i8 ; [#uses=1] ;; sext -> zext -> and -> nop %c2 = sext i8 %c1 to i32 ; [#uses=1] %RV = shl i32 %c2, 24 ; [#uses=1] ret i32 %RV ; CHECK: shl i32 %X, 24 ; CHECK-NEXT: ret i32 } define i32 @test23(i32 %X) { ;; Turn into an AND even though X %c1 = trunc i32 %X to i16 ; [#uses=1] ;; and Z are signed. %c2 = zext i16 %c1 to i32 ; [#uses=1] ret i32 %c2 ; CHECK: %c2 = and i32 %X, 65535 ; CHECK: ret i32 %c2 } define i1 @test24(i1 %C) { %X = select i1 %C, i32 14, i32 1234 ; [#uses=1] ;; Fold cast into select %c = icmp ne i32 %X, 0 ; [#uses=1] ret i1 %c ; CHECK: ret i1 true } define void @test25(i32** %P) { %c = bitcast i32** %P to float** ; [#uses=1] ;; Fold cast into null store float* null, float** %c ret void ; CHECK: store i32* null, i32** %P ; CHECK: ret void } define i32 @test26(float %F) { ;; no need to cast from float->double. %c = fpext float %F to double ; [#uses=1] %D = fptosi double %c to i32 ; [#uses=1] ret i32 %D ; CHECK: %D = fptosi float %F to i32 ; CHECK: ret i32 %D } define [4 x float]* @test27([9 x [4 x float]]* %A) { %c = bitcast [9 x [4 x float]]* %A to [4 x float]* ; <[4 x float]*> [#uses=1] ret [4 x float]* %c ; CHECK: %c = getelementptr inbounds [9 x [4 x float]]* %A, i64 0, i64 0 ; CHECK: ret [4 x float]* %c } define float* @test28([4 x float]* %A) { %c = bitcast [4 x float]* %A to float* ; [#uses=1] ret float* %c ; CHECK: %c = getelementptr inbounds [4 x float]* %A, i64 0, i64 0 ; CHECK: ret float* %c } define i32 @test29(i32 %c1, i32 %c2) { %tmp1 = trunc i32 %c1 to i8 ; [#uses=1] %tmp4.mask = trunc i32 %c2 to i8 ; [#uses=1] %tmp = or i8 %tmp4.mask, %tmp1 ; [#uses=1] %tmp10 = zext i8 %tmp to i32 ; [#uses=1] ret i32 %tmp10 ; CHECK: %tmp2 = or i32 %c2, %c1 ; CHECK: %tmp10 = and i32 %tmp2, 255 ; CHECK: ret i32 %tmp10 } define i32 @test30(i32 %c1) { %c2 = trunc i32 %c1 to i8 ; [#uses=1] %c3 = xor i8 %c2, 1 ; [#uses=1] %c4 = zext i8 %c3 to i32 ; [#uses=1] ret i32 %c4 ; CHECK: %c3 = and i32 %c1, 255 ; CHECK: %c4 = xor i32 %c3, 1 ; CHECK: ret i32 %c4 } define i1 @test31(i64 %A) { %B = trunc i64 %A to i32 ; [#uses=1] %C = and i32 %B, 42 ; [#uses=1] %D = icmp eq i32 %C, 10 ; [#uses=1] ret i1 %D ; CHECK: %C = and i64 %A, 42 ; CHECK: %D = icmp eq i64 %C, 10 ; CHECK: ret i1 %D } define i32 @test33(i32 %c1) { %x = bitcast i32 %c1 to float ; [#uses=1] %y = bitcast float %x to i32 ; [#uses=1] ret i32 %y ; CHECK: ret i32 %c1 } define i16 @test34(i16 %a) { %c1 = zext i16 %a to i32 ; [#uses=1] %tmp21 = lshr i32 %c1, 8 ; [#uses=1] %c2 = trunc i32 %tmp21 to i16 ; [#uses=1] ret i16 %c2 ; CHECK: %tmp21 = lshr i16 %a, 8 ; CHECK: ret i16 %tmp21 } define i16 @test35(i16 %a) { %c1 = bitcast i16 %a to i16 ; [#uses=1] %tmp2 = lshr i16 %c1, 8 ; [#uses=1] %c2 = bitcast i16 %tmp2 to i16 ; [#uses=1] ret i16 %c2 ; CHECK: %tmp2 = lshr i16 %a, 8 ; CHECK: ret i16 %tmp2 } ; icmp sgt i32 %a, -1 ; rdar://6480391 define i1 @test36(i32 %a) { %b = lshr i32 %a, 31 %c = trunc i32 %b to i8 %d = icmp eq i8 %c, 0 ret i1 %d ; CHECK: %d = icmp sgt i32 %a, -1 ; CHECK: ret i1 %d } ; ret i1 false define i1 @test37(i32 %a) { %b = lshr i32 %a, 31 %c = or i32 %b, 512 %d = trunc i32 %c to i8 %e = icmp eq i8 %d, 11 ret i1 %e ; CHECK: ret i1 false } define i64 @test38(i32 %a) { %1 = icmp eq i32 %a, -2 %2 = zext i1 %1 to i8 %3 = xor i8 %2, 1 %4 = zext i8 %3 to i64 ret i64 %4 ; CHECK: %1 = icmp ne i32 %a, -2 ; CHECK: %2 = zext i1 %1 to i64 ; CHECK: ret i64 %2 } define i16 @test39(i16 %a) { %tmp = zext i16 %a to i32 %tmp21 = lshr i32 %tmp, 8 %tmp5 = shl i32 %tmp, 8 %tmp.upgrd.32 = or i32 %tmp21, %tmp5 %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 ret i16 %tmp.upgrd.3 ; CHECK: @test39 ; CHECK: %tmp.upgrd.32 = call i16 @llvm.bswap.i16(i16 %a) ; CHECK: ret i16 %tmp.upgrd.32 } define i16 @test40(i16 %a) { %tmp = zext i16 %a to i32 %tmp21 = lshr i32 %tmp, 9 %tmp5 = shl i32 %tmp, 8 %tmp.upgrd.32 = or i32 %tmp21, %tmp5 %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 ret i16 %tmp.upgrd.3 ; CHECK: @test40 ; CHECK: %tmp21 = lshr i16 %a, 9 ; CHECK: %tmp5 = shl i16 %a, 8 ; CHECK: %tmp.upgrd.32 = or i16 %tmp21, %tmp5 ; CHECK: ret i16 %tmp.upgrd.32 } ; PR1263 define i32* @test41(i32* %tmp1) { %tmp64 = bitcast i32* %tmp1 to { i32 }* %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0 ret i32* %tmp65 ; CHECK: @test41 ; CHECK: ret i32* %tmp1 } define i32 @test42(i32 %X) { %Y = trunc i32 %X to i8 ; [#uses=1] %Z = zext i8 %Y to i32 ; [#uses=1] ret i32 %Z ; CHECK: @test42 ; CHECK: %Z = and i32 %X, 255 } ; rdar://6598839 define zeroext i64 @test43(i8 zeroext %on_off) nounwind readonly { %A = zext i8 %on_off to i32 %B = add i32 %A, -1 %C = sext i32 %B to i64 ret i64 %C ;; Should be (add (zext i8 -> i64), -1) ; CHECK: @test43 ; CHECK-NEXT: %A = zext i8 %on_off to i64 ; CHECK-NEXT: %B = add i64 %A, -1 ; CHECK-NEXT: ret i64 %B } define i64 @test44(i8 %T) { %A = zext i8 %T to i16 %B = or i16 %A, 1234 %C = zext i16 %B to i64 ret i64 %C ; CHECK: @test44 ; CHECK-NEXT: %A = zext i8 %T to i64 ; CHECK-NEXT: %B = or i64 %A, 1234 ; CHECK-NEXT: ret i64 %B } define i64 @test45(i8 %A, i64 %Q) { %D = trunc i64 %Q to i32 ;; should be removed %B = sext i8 %A to i32 %C = or i32 %B, %D %E = zext i32 %C to i64 ret i64 %E ; CHECK: @test45 ; CHECK-NEXT: %B = sext i8 %A to i64 ; CHECK-NEXT: %C = or i64 %B, %Q ; CHECK-NEXT: %E = and i64 %C, 4294967295 ; CHECK-NEXT: ret i64 %E } define i64 @test46(i64 %A) { %B = trunc i64 %A to i32 %C = and i32 %B, 42 %D = shl i32 %C, 8 %E = zext i32 %D to i64 ret i64 %E ; CHECK: @test46 ; CHECK-NEXT: %C = shl i64 %A, 8 ; CHECK-NEXT: %D = and i64 %C, 10752 ; CHECK-NEXT: ret i64 %D } define i64 @test47(i8 %A) { %B = sext i8 %A to i32 %C = or i32 %B, 42 %E = zext i32 %C to i64 ret i64 %E ; CHECK: @test47 ; CHECK-NEXT: %B = sext i8 %A to i64 ; CHECK-NEXT: %C = and i64 %B, 4294967253 ; CHECK-NEXT: %E = or i64 %C, 42 ; CHECK-NEXT: ret i64 %E } define i64 @test48(i8 %A, i8 %a) { %b = zext i8 %a to i32 %B = zext i8 %A to i32 %C = shl i32 %B, 8 %D = or i32 %C, %b %E = zext i32 %D to i64 ret i64 %E ; CHECK: @test48 ; CHECK-NEXT: %b = zext i8 %a to i64 ; CHECK-NEXT: %B = zext i8 %A to i64 ; CHECK-NEXT: %C = shl nuw nsw i64 %B, 8 ; CHECK-NEXT: %D = or i64 %C, %b ; CHECK-NEXT: ret i64 %D } define i64 @test49(i64 %A) { %B = trunc i64 %A to i32 %C = or i32 %B, 1 %D = sext i32 %C to i64 ret i64 %D ; CHECK: @test49 ; CHECK-NEXT: %C = shl i64 %A, 32 ; CHECK-NEXT: ashr exact i64 %C, 32 ; CHECK-NEXT: %D = or i64 {{.*}}, 1 ; CHECK-NEXT: ret i64 %D } define i64 @test50(i64 %A) { %a = lshr i64 %A, 2 %B = trunc i64 %a to i32 %D = add i32 %B, -1 %E = sext i32 %D to i64 ret i64 %E ; CHECK: @test50 ; lshr+shl will be handled by DAGCombine. ; CHECK-NEXT: lshr i64 %A, 2 ; CHECK-NEXT: shl i64 %a, 32 ; CHECK-NEXT: add i64 {{.*}}, -4294967296 ; CHECK-NEXT: %E = ashr exact i64 {{.*}}, 32 ; CHECK-NEXT: ret i64 %E } define i64 @test51(i64 %A, i1 %cond) { %B = trunc i64 %A to i32 %C = and i32 %B, -2 %D = or i32 %B, 1 %E = select i1 %cond, i32 %C, i32 %D %F = sext i32 %E to i64 ret i64 %F ; CHECK: @test51 ; CHECK-NEXT: %C = and i64 %A, 4294967294 ; CHECK-NEXT: %D = or i64 %A, 1 ; CHECK-NEXT: %E = select i1 %cond, i64 %C, i64 %D ; CHECK-NEXT: %sext = shl i64 %E, 32 ; CHECK-NEXT: %F = ashr exact i64 %sext, 32 ; CHECK-NEXT: ret i64 %F } define i32 @test52(i64 %A) { %B = trunc i64 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = zext i16 %D to i32 ret i32 %E ; CHECK: @test52 ; CHECK-NEXT: %B = trunc i64 %A to i32 ; CHECK-NEXT: %C = and i32 %B, 7224 ; CHECK-NEXT: %D = or i32 %C, 32962 ; CHECK-NEXT: ret i32 %D } define i64 @test53(i32 %A) { %B = trunc i32 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = zext i16 %D to i64 ret i64 %E ; CHECK: @test53 ; CHECK-NEXT: %B = zext i32 %A to i64 ; CHECK-NEXT: %C = and i64 %B, 7224 ; CHECK-NEXT: %D = or i64 %C, 32962 ; CHECK-NEXT: ret i64 %D } define i32 @test54(i64 %A) { %B = trunc i64 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = sext i16 %D to i32 ret i32 %E ; CHECK: @test54 ; CHECK-NEXT: %B = trunc i64 %A to i32 ; CHECK-NEXT: %C = and i32 %B, 7224 ; CHECK-NEXT: %D = or i32 %C, -32574 ; CHECK-NEXT: ret i32 %D } define i64 @test55(i32 %A) { %B = trunc i32 %A to i16 %C = or i16 %B, -32574 %D = and i16 %C, -25350 %E = sext i16 %D to i64 ret i64 %E ; CHECK: @test55 ; CHECK-NEXT: %B = zext i32 %A to i64 ; CHECK-NEXT: %C = and i64 %B, 7224 ; CHECK-NEXT: %D = or i64 %C, -32574 ; CHECK-NEXT: ret i64 %D } define i64 @test56(i16 %A) nounwind { %tmp353 = sext i16 %A to i32 %tmp354 = lshr i32 %tmp353, 5 %tmp355 = zext i32 %tmp354 to i64 ret i64 %tmp355 ; CHECK: @test56 ; CHECK-NEXT: %tmp353 = sext i16 %A to i64 ; CHECK-NEXT: %tmp354 = lshr i64 %tmp353, 5 ; CHECK-NEXT: %tmp355 = and i64 %tmp354, 134217727 ; CHECK-NEXT: ret i64 %tmp355 } define i64 @test57(i64 %A) nounwind { %B = trunc i64 %A to i32 %C = lshr i32 %B, 8 %E = zext i32 %C to i64 ret i64 %E ; CHECK: @test57 ; CHECK-NEXT: %C = lshr i64 %A, 8 ; CHECK-NEXT: %E = and i64 %C, 16777215 ; CHECK-NEXT: ret i64 %E } define i64 @test58(i64 %A) nounwind { %B = trunc i64 %A to i32 %C = lshr i32 %B, 8 %D = or i32 %C, 128 %E = zext i32 %D to i64 ret i64 %E ; CHECK: @test58 ; CHECK-NEXT: %C = lshr i64 %A, 8 ; CHECK-NEXT: %D = and i64 %C, 16777087 ; CHECK-NEXT: %E = or i64 %D, 128 ; CHECK-NEXT: ret i64 %E } define i64 @test59(i8 %A, i8 %B) nounwind { %C = zext i8 %A to i32 %D = shl i32 %C, 4 %E = and i32 %D, 48 %F = zext i8 %B to i32 %G = lshr i32 %F, 4 %H = or i32 %G, %E %I = zext i32 %H to i64 ret i64 %I ; CHECK: @test59 ; CHECK-NEXT: %C = zext i8 %A to i64 ; CHECK-NOT: i32 ; CHECK: %F = zext i8 %B to i64 ; CHECK-NOT: i32 ; CHECK: ret i64 %H } define <3 x i32> @test60(<4 x i32> %call4) nounwind { %tmp11 = bitcast <4 x i32> %call4 to i128 %tmp9 = trunc i128 %tmp11 to i96 %tmp10 = bitcast i96 %tmp9 to <3 x i32> ret <3 x i32> %tmp10 ; CHECK: @test60 ; CHECK-NEXT: shufflevector ; CHECK-NEXT: ret } define <4 x i32> @test61(<3 x i32> %call4) nounwind { %tmp11 = bitcast <3 x i32> %call4 to i96 %tmp9 = zext i96 %tmp11 to i128 %tmp10 = bitcast i128 %tmp9 to <4 x i32> ret <4 x i32> %tmp10 ; CHECK: @test61 ; CHECK-NEXT: shufflevector ; CHECK-NEXT: ret } define <4 x i32> @test62(<3 x float> %call4) nounwind { %tmp11 = bitcast <3 x float> %call4 to i96 %tmp9 = zext i96 %tmp11 to i128 %tmp10 = bitcast i128 %tmp9 to <4 x i32> ret <4 x i32> %tmp10 ; CHECK: @test62 ; CHECK-NEXT: bitcast ; CHECK-NEXT: shufflevector ; CHECK-NEXT: ret } ; PR7311 - Don't create invalid IR on scalar->vector cast. define <2 x float> @test63(i64 %tmp8) nounwind { entry: %a = bitcast i64 %tmp8 to <2 x i32> %vcvt.i = uitofp <2 x i32> %a to <2 x float> ret <2 x float> %vcvt.i ; CHECK: @test63 ; CHECK: bitcast ; CHECK: uitofp } define <4 x float> @test64(<4 x float> %c) nounwind { %t0 = bitcast <4 x float> %c to <4 x i32> %t1 = bitcast <4 x i32> %t0 to <4 x float> ret <4 x float> %t1 ; CHECK: @test64 ; CHECK-NEXT: ret <4 x float> %c } define <4 x float> @test65(<4 x float> %c) nounwind { %t0 = bitcast <4 x float> %c to <2 x double> %t1 = bitcast <2 x double> %t0 to <4 x float> ret <4 x float> %t1 ; CHECK: @test65 ; CHECK-NEXT: ret <4 x float> %c } define <2 x float> @test66(<2 x float> %c) nounwind { %t0 = bitcast <2 x float> %c to double %t1 = bitcast double %t0 to <2 x float> ret <2 x float> %t1 ; CHECK: @test66 ; CHECK-NEXT: ret <2 x float> %c } define float @test2c() { ret float extractelement (<2 x float> bitcast (double bitcast (<2 x float> to double) to <2 x float>), i32 0) ; CHECK: @test2c ; CHECK-NOT: extractelement } define i64 @test_mmx(<2 x i32> %c) nounwind { %A = bitcast <2 x i32> %c to x86_mmx %B = bitcast x86_mmx %A to <2 x i32> %C = bitcast <2 x i32> %B to i64 ret i64 %C ; CHECK: @test_mmx ; CHECK-NOT: x86_mmx } define i64 @test_mmx_const(<2 x i32> %c) nounwind { %A = bitcast <2 x i32> zeroinitializer to x86_mmx %B = bitcast x86_mmx %A to <2 x i32> %C = bitcast <2 x i32> %B to i64 ret i64 %C ; CHECK: @test_mmx_const ; CHECK-NOT: x86_mmx } ; PR12514 define i1 @test67(i1 %a, i32 %b) { %tmp2 = zext i1 %a to i32 %conv6 = xor i32 %tmp2, 1 %and = and i32 %b, %conv6 %sext = shl nuw nsw i32 %and, 24 %neg.i = xor i32 %sext, -16777216 %conv.i.i = ashr exact i32 %neg.i, 24 %trunc = trunc i32 %conv.i.i to i8 %tobool.i = icmp eq i8 %trunc, 0 ret i1 %tobool.i ; CHECK: @test67 ; CHECK: ret i1 false } %s = type { i32, i32, i32 } define %s @test68(%s *%p, i64 %i) { ; CHECK: @test68 %o = mul i64 %i, 12 %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o ; CHECK-NEXT: getelementptr %s* %r = bitcast i8* %pp to %s* %l = load %s* %r ; CHECK-NEXT: load %s* ret %s %l ; CHECK-NEXT: ret %s } define double @test69(double *%p, i64 %i) { ; CHECK: @test69 %o = shl nsw i64 %i, 3 %q = bitcast double* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o ; CHECK-NEXT: getelementptr inbounds double* %r = bitcast i8* %pp to double* %l = load double* %r ; CHECK-NEXT: load double* ret double %l ; CHECK-NEXT: ret double } define %s @test70(%s *%p, i64 %i) { ; CHECK: @test70 %o = mul nsw i64 %i, 36 ; CHECK-NEXT: mul nsw i64 %i, 3 %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o ; CHECK-NEXT: getelementptr inbounds %s* %r = bitcast i8* %pp to %s* %l = load %s* %r ; CHECK-NEXT: load %s* ret %s %l ; CHECK-NEXT: ret %s } define double @test71(double *%p, i64 %i) { ; CHECK: @test71 %o = shl i64 %i, 5 ; CHECK-NEXT: shl i64 %i, 2 %q = bitcast double* %p to i8* %pp = getelementptr i8* %q, i64 %o ; CHECK-NEXT: getelementptr double* %r = bitcast i8* %pp to double* %l = load double* %r ; CHECK-NEXT: load double* ret double %l ; CHECK-NEXT: ret double } define double @test72(double *%p, i32 %i) { ; CHECK: @test72 %so = mul nsw i32 %i, 8 %o = sext i32 %so to i64 ; CHECK-NEXT: sext i32 %i to i64 %q = bitcast double* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o ; CHECK-NEXT: getelementptr inbounds double* %r = bitcast i8* %pp to double* %l = load double* %r ; CHECK-NEXT: load double* ret double %l ; CHECK-NEXT: ret double } define double @test73(double *%p, i128 %i) { ; CHECK: @test73 %lo = mul nsw i128 %i, 8 %o = trunc i128 %lo to i64 ; CHECK-NEXT: trunc i128 %i to i64 %q = bitcast double* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o ; CHECK-NEXT: getelementptr double* %r = bitcast i8* %pp to double* %l = load double* %r ; CHECK-NEXT: load double* ret double %l ; CHECK-NEXT: ret double } define double @test74(double *%p, i64 %i) { ; CHECK: @test74 %q = bitcast double* %p to i64* %pp = getelementptr inbounds i64* %q, i64 %i ; CHECK-NEXT: getelementptr inbounds double* %r = bitcast i64* %pp to double* %l = load double* %r ; CHECK-NEXT: load double* ret double %l ; CHECK-NEXT: ret double } define i32* @test75(i32* %p, i32 %x) { ; CHECK: @test75 %y = shl i32 %x, 3 ; CHECK-NEXT: shl i32 %x, 3 %z = sext i32 %y to i64 ; CHECK-NEXT: sext i32 %y to i64 %q = bitcast i32* %p to i8* %r = getelementptr i8* %q, i64 %z %s = bitcast i8* %r to i32* ret i32* %s } define %s @test76(%s *%p, i64 %i, i64 %j) { ; CHECK: @test76 %o = mul i64 %i, 12 %o2 = mul nsw i64 %o, %j ; CHECK-NEXT: %o2 = mul i64 %i, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o2 ; CHECK-NEXT: getelementptr %s* %p, i64 %o2 %r = bitcast i8* %pp to %s* %l = load %s* %r ; CHECK-NEXT: load %s* ret %s %l ; CHECK-NEXT: ret %s } define %s @test77(%s *%p, i64 %i, i64 %j) { ; CHECK: @test77 %o = mul nsw i64 %i, 36 %o2 = mul nsw i64 %o, %j ; CHECK-NEXT: %o = mul nsw i64 %i, 3 ; CHECK-NEXT: %o2 = mul nsw i64 %o, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %o2 ; CHECK-NEXT: getelementptr inbounds %s* %p, i64 %o2 %r = bitcast i8* %pp to %s* %l = load %s* %r ; CHECK-NEXT: load %s* ret %s %l ; CHECK-NEXT: ret %s } define %s @test78(%s *%p, i64 %i, i64 %j, i32 %k, i32 %l, i128 %m, i128 %n) { ; CHECK: @test78 %a = mul nsw i32 %k, 36 ; CHECK-NEXT: mul nsw i32 %k, 3 %b = mul nsw i32 %a, %l ; CHECK-NEXT: mul nsw i32 %a, %l %c = sext i32 %b to i128 ; CHECK-NEXT: sext i32 %b to i128 %d = mul nsw i128 %c, %m ; CHECK-NEXT: mul nsw i128 %c, %m %e = mul i128 %d, %n ; CHECK-NEXT: mul i128 %d, %n %f = trunc i128 %e to i64 ; CHECK-NEXT: trunc i128 %e to i64 %g = mul nsw i64 %f, %i ; CHECK-NEXT: mul i64 %f, %i %h = mul nsw i64 %g, %j ; CHECK-NEXT: mul i64 %g, %j %q = bitcast %s* %p to i8* %pp = getelementptr inbounds i8* %q, i64 %h ; CHECK-NEXT: getelementptr %s* %p, i64 %h %r = bitcast i8* %pp to %s* %load = load %s* %r ; CHECK-NEXT: load %s* ret %s %load ; CHECK-NEXT: ret %s } define %s @test79(%s *%p, i64 %i, i32 %j) { ; CHECK: @test79 %a = mul nsw i64 %i, 36 ; CHECK: mul nsw i64 %i, 36 %b = trunc i64 %a to i32 %c = mul i32 %b, %j %q = bitcast %s* %p to i8* ; CHECK: bitcast %pp = getelementptr inbounds i8* %q, i32 %c %r = bitcast i8* %pp to %s* %l = load %s* %r ret %s %l } define double @test80([100 x double]* %p, i32 %i) { ; CHECK: @test80 %tmp = mul nsw i32 %i, 8 ; CHECK-NEXT: sext i32 %i to i64 %q = bitcast [100 x double]* %p to i8* %pp = getelementptr i8* %q, i32 %tmp ; CHECK-NEXT: getelementptr [100 x double]* %r = bitcast i8* %pp to double* %l = load double* %r ; CHECK-NEXT: load double* ret double %l ; CHECK-NEXT: ret double } define double @test81(double *%p, float %f) { %i = fptosi float %f to i64 %q = bitcast double* %p to i8* %pp = getelementptr i8* %q, i64 %i %r = bitcast i8* %pp to double* %l = load double* %r ret double %l }