; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -vector-combine -S -mtriple=x86_64-- -mattr=SSE2 | FileCheck %s --check-prefixes=CHECK,SSE ; RUN: opt < %s -vector-combine -S -mtriple=x86_64-- -mattr=AVX2 | FileCheck %s --check-prefixes=CHECK,AVX declare void @use_i8(i8) declare void @use_f32(float) ; Eliminating extract is profitable. define i8 @ext0_ext0_add(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext0_ext0_add( ; CHECK-NEXT: [[TMP1:%.*]] = add <16 x i8> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i32 0 ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 %e1 = extractelement <16 x i8> %y, i32 0 %r = add i8 %e0, %e1 ret i8 %r } ; Eliminating extract is still profitable. Flags propagate. define i8 @ext1_ext1_add_flags(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext1_ext1_add_flags( ; CHECK-NEXT: [[TMP1:%.*]] = add nuw nsw <16 x i8> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i32 1 ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 1 %e1 = extractelement <16 x i8> %y, i32 1 %r = add nsw nuw i8 %e0, %e1 ret i8 %r } ; Negative test - eliminating extract is profitable, but vector shift is expensive. define i8 @ext1_ext1_shl(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext1_ext1_shl( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 1 ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 1 ; CHECK-NEXT: [[R:%.*]] = shl i8 [[E0]], [[E1]] ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 1 %e1 = extractelement <16 x i8> %y, i32 1 %r = shl i8 %e0, %e1 ret i8 %r } ; Negative test - eliminating extract is profitable, but vector multiply is expensive. define i8 @ext13_ext13_mul(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext13_ext13_mul( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 13 ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 13 ; CHECK-NEXT: [[R:%.*]] = mul i8 [[E0]], [[E1]] ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 13 %e1 = extractelement <16 x i8> %y, i32 13 %r = mul i8 %e0, %e1 ret i8 %r } ; Negative test - cost is irrelevant because sdiv has potential UB. define i8 @ext0_ext0_sdiv(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext0_ext0_sdiv( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 0 ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 0 ; CHECK-NEXT: [[R:%.*]] = sdiv i8 [[E0]], [[E1]] ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 %e1 = extractelement <16 x i8> %y, i32 0 %r = sdiv i8 %e0, %e1 ret i8 %r } ; Extracts are free and vector op has same cost as scalar, but we ; speculatively transform to vector to create more optimization ; opportunities.. define double @ext0_ext0_fadd(<2 x double> %x, <2 x double> %y) { ; CHECK-LABEL: @ext0_ext0_fadd( ; CHECK-NEXT: [[TMP1:%.*]] = fadd <2 x double> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = extractelement <2 x double> [[TMP1]], i32 0 ; CHECK-NEXT: ret double [[R]] ; %e0 = extractelement <2 x double> %x, i32 0 %e1 = extractelement <2 x double> %y, i32 0 %r = fadd double %e0, %e1 ret double %r } ; Eliminating extract is profitable. Flags propagate. define double @ext1_ext1_fsub(<2 x double> %x, <2 x double> %y) { ; CHECK-LABEL: @ext1_ext1_fsub( ; CHECK-NEXT: [[TMP1:%.*]] = fsub fast <2 x double> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = extractelement <2 x double> [[TMP1]], i32 1 ; CHECK-NEXT: ret double [[R]] ; %e0 = extractelement <2 x double> %x, i32 1 %e1 = extractelement <2 x double> %y, i32 1 %r = fsub fast double %e0, %e1 ret double %r } ; Negative test - type mismatch. define double @ext1_ext1_fadd_different_types(<2 x double> %x, <4 x double> %y) { ; CHECK-LABEL: @ext1_ext1_fadd_different_types( ; CHECK-NEXT: [[E0:%.*]] = extractelement <2 x double> [[X:%.*]], i32 1 ; CHECK-NEXT: [[E1:%.*]] = extractelement <4 x double> [[Y:%.*]], i32 1 ; CHECK-NEXT: [[R:%.*]] = fadd fast double [[E0]], [[E1]] ; CHECK-NEXT: ret double [[R]] ; %e0 = extractelement <2 x double> %x, i32 1 %e1 = extractelement <4 x double> %y, i32 1 %r = fadd fast double %e0, %e1 ret double %r } ; Disguised same vector operand; scalar code is not cheaper (with default ; x86 target), so aggressively form vector binop. define i32 @ext1_ext1_add_same_vec(<4 x i32> %x) { ; CHECK-LABEL: @ext1_ext1_add_same_vec( ; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[X:%.*]], [[X]] ; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[TMP1]], i32 1 ; CHECK-NEXT: ret i32 [[R]] ; %e0 = extractelement <4 x i32> %x, i32 1 %e1 = extractelement <4 x i32> %x, i32 1 %r = add i32 %e0, %e1 ret i32 %r } ; Functionally equivalent to above test; should transform as above. define i32 @ext1_ext1_add_same_vec_cse(<4 x i32> %x) { ; CHECK-LABEL: @ext1_ext1_add_same_vec_cse( ; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[X:%.*]], [[X]] ; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[TMP1]], i32 1 ; CHECK-NEXT: ret i32 [[R]] ; %e0 = extractelement <4 x i32> %x, i32 1 %r = add i32 %e0, %e0 ret i32 %r } ; Don't assert if extract indices have different types. define i32 @ext1_ext1_add_same_vec_diff_idx_ty(<4 x i32> %x) { ; CHECK-LABEL: @ext1_ext1_add_same_vec_diff_idx_ty( ; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[X:%.*]], [[X]] ; CHECK-NEXT: [[R:%.*]] = extractelement <4 x i32> [[TMP1]], i32 1 ; CHECK-NEXT: ret i32 [[R]] ; %e0 = extractelement <4 x i32> %x, i32 1 %e1 = extractelement <4 x i32> %x, i64 1 %r = add i32 %e0, %e1 ret i32 %r } ; Negative test - same vector operand; scalar code is cheaper than general case ; and vector code would be more expensive still. define i8 @ext1_ext1_add_same_vec_extra_use0(<16 x i8> %x) { ; CHECK-LABEL: @ext1_ext1_add_same_vec_extra_use0( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 0 ; CHECK-NEXT: call void @use_i8(i8 [[E0]]) ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[X]], i32 0 ; CHECK-NEXT: [[R:%.*]] = add i8 [[E0]], [[E1]] ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 call void @use_i8(i8 %e0) %e1 = extractelement <16 x i8> %x, i32 0 %r = add i8 %e0, %e1 ret i8 %r } ; Negative test - same vector operand; scalar code is cheaper than general case ; and vector code would be more expensive still. define i8 @ext1_ext1_add_same_vec_extra_use1(<16 x i8> %x) { ; CHECK-LABEL: @ext1_ext1_add_same_vec_extra_use1( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 0 ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[X]], i32 0 ; CHECK-NEXT: call void @use_i8(i8 [[E1]]) ; CHECK-NEXT: [[R:%.*]] = add i8 [[E0]], [[E1]] ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 %e1 = extractelement <16 x i8> %x, i32 0 call void @use_i8(i8 %e1) %r = add i8 %e0, %e1 ret i8 %r } ; Negative test - same vector operand; scalar code is cheaper than general case ; and vector code would be more expensive still. define i8 @ext1_ext1_add_same_vec_cse_extra_use(<16 x i8> %x) { ; CHECK-LABEL: @ext1_ext1_add_same_vec_cse_extra_use( ; CHECK-NEXT: [[E:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 0 ; CHECK-NEXT: call void @use_i8(i8 [[E]]) ; CHECK-NEXT: [[R:%.*]] = add i8 [[E]], [[E]] ; CHECK-NEXT: ret i8 [[R]] ; %e = extractelement <16 x i8> %x, i32 0 call void @use_i8(i8 %e) %r = add i8 %e, %e ret i8 %r } ; Vector code costs the same as scalar, so aggressively form vector op. define i8 @ext1_ext1_add_uses1(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext1_ext1_add_uses1( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 0 ; CHECK-NEXT: call void @use_i8(i8 [[E0]]) ; CHECK-NEXT: [[TMP1:%.*]] = add <16 x i8> [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i32 0 ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 call void @use_i8(i8 %e0) %e1 = extractelement <16 x i8> %y, i32 0 %r = add i8 %e0, %e1 ret i8 %r } ; Vector code costs the same as scalar, so aggressively form vector op. define i8 @ext1_ext1_add_uses2(<16 x i8> %x, <16 x i8> %y) { ; CHECK-LABEL: @ext1_ext1_add_uses2( ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 0 ; CHECK-NEXT: call void @use_i8(i8 [[E1]]) ; CHECK-NEXT: [[TMP1:%.*]] = add <16 x i8> [[X:%.*]], [[Y]] ; CHECK-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i32 0 ; CHECK-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 %e1 = extractelement <16 x i8> %y, i32 0 call void @use_i8(i8 %e1) %r = add i8 %e0, %e1 ret i8 %r } define i8 @ext0_ext1_add(<16 x i8> %x, <16 x i8> %y) { ; SSE-LABEL: @ext0_ext1_add( ; SSE-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 0 ; SSE-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 1 ; SSE-NEXT: [[R:%.*]] = add nuw i8 [[E0]], [[E1]] ; SSE-NEXT: ret i8 [[R]] ; ; AVX-LABEL: @ext0_ext1_add( ; AVX-NEXT: [[SHIFT:%.*]] = shufflevector <16 x i8> [[Y:%.*]], <16 x i8> poison, <16 x i32> ; AVX-NEXT: [[TMP1:%.*]] = add nuw <16 x i8> [[X:%.*]], [[SHIFT]] ; AVX-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i32 0 ; AVX-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 0 %e1 = extractelement <16 x i8> %y, i32 1 %r = add nuw i8 %e0, %e1 ret i8 %r } define i8 @ext5_ext0_add(<16 x i8> %x, <16 x i8> %y) { ; SSE-LABEL: @ext5_ext0_add( ; SSE-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 5 ; SSE-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 0 ; SSE-NEXT: [[R:%.*]] = sub nsw i8 [[E0]], [[E1]] ; SSE-NEXT: ret i8 [[R]] ; ; AVX-LABEL: @ext5_ext0_add( ; AVX-NEXT: [[SHIFT:%.*]] = shufflevector <16 x i8> [[X:%.*]], <16 x i8> poison, <16 x i32> ; AVX-NEXT: [[TMP1:%.*]] = sub nsw <16 x i8> [[SHIFT]], [[Y:%.*]] ; AVX-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i64 0 ; AVX-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 5 %e1 = extractelement <16 x i8> %y, i32 0 %r = sub nsw i8 %e0, %e1 ret i8 %r } define i8 @ext1_ext6_add(<16 x i8> %x, <16 x i8> %y) { ; SSE-LABEL: @ext1_ext6_add( ; SSE-NEXT: [[E0:%.*]] = extractelement <16 x i8> [[X:%.*]], i32 1 ; SSE-NEXT: [[E1:%.*]] = extractelement <16 x i8> [[Y:%.*]], i32 6 ; SSE-NEXT: [[R:%.*]] = and i8 [[E0]], [[E1]] ; SSE-NEXT: ret i8 [[R]] ; ; AVX-LABEL: @ext1_ext6_add( ; AVX-NEXT: [[SHIFT:%.*]] = shufflevector <16 x i8> [[Y:%.*]], <16 x i8> poison, <16 x i32> ; AVX-NEXT: [[TMP1:%.*]] = and <16 x i8> [[X:%.*]], [[SHIFT]] ; AVX-NEXT: [[R:%.*]] = extractelement <16 x i8> [[TMP1]], i32 1 ; AVX-NEXT: ret i8 [[R]] ; %e0 = extractelement <16 x i8> %x, i32 1 %e1 = extractelement <16 x i8> %y, i32 6 %r = and i8 %e0, %e1 ret i8 %r } define float @ext1_ext0_fmul(<4 x float> %x) { ; CHECK-LABEL: @ext1_ext0_fmul( ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x float> [[X:%.*]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = fmul <4 x float> [[SHIFT]], [[X]] ; CHECK-NEXT: [[R:%.*]] = extractelement <4 x float> [[TMP1]], i64 0 ; CHECK-NEXT: ret float [[R]] ; %e0 = extractelement <4 x float> %x, i32 1 %e1 = extractelement <4 x float> %x, i32 0 %r = fmul float %e0, %e1 ret float %r } define float @ext0_ext3_fmul_extra_use1(<4 x float> %x) { ; CHECK-LABEL: @ext0_ext3_fmul_extra_use1( ; CHECK-NEXT: [[E0:%.*]] = extractelement <4 x float> [[X:%.*]], i32 0 ; CHECK-NEXT: call void @use_f32(float [[E0]]) ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x float> [[X]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = fmul nnan <4 x float> [[X]], [[SHIFT]] ; CHECK-NEXT: [[R:%.*]] = extractelement <4 x float> [[TMP1]], i32 0 ; CHECK-NEXT: ret float [[R]] ; %e0 = extractelement <4 x float> %x, i32 0 call void @use_f32(float %e0) %e1 = extractelement <4 x float> %x, i32 3 %r = fmul nnan float %e0, %e1 ret float %r } define float @ext0_ext3_fmul_extra_use2(<4 x float> %x) { ; CHECK-LABEL: @ext0_ext3_fmul_extra_use2( ; CHECK-NEXT: [[E0:%.*]] = extractelement <4 x float> [[X:%.*]], i32 0 ; CHECK-NEXT: [[E1:%.*]] = extractelement <4 x float> [[X]], i32 3 ; CHECK-NEXT: call void @use_f32(float [[E1]]) ; CHECK-NEXT: [[R:%.*]] = fmul ninf nsz float [[E0]], [[E1]] ; CHECK-NEXT: ret float [[R]] ; %e0 = extractelement <4 x float> %x, i32 0 %e1 = extractelement <4 x float> %x, i32 3 call void @use_f32(float %e1) %r = fmul ninf nsz float %e0, %e1 ret float %r } define float @ext0_ext4_fmul_v8f32(<8 x float> %x) { ; SSE-LABEL: @ext0_ext4_fmul_v8f32( ; SSE-NEXT: [[E0:%.*]] = extractelement <8 x float> [[X:%.*]], i32 0 ; SSE-NEXT: [[E1:%.*]] = extractelement <8 x float> [[X]], i32 4 ; SSE-NEXT: [[R:%.*]] = fadd float [[E0]], [[E1]] ; SSE-NEXT: ret float [[R]] ; ; AVX-LABEL: @ext0_ext4_fmul_v8f32( ; AVX-NEXT: [[SHIFT:%.*]] = shufflevector <8 x float> [[X:%.*]], <8 x float> poison, <8 x i32> ; AVX-NEXT: [[TMP1:%.*]] = fadd <8 x float> [[X]], [[SHIFT]] ; AVX-NEXT: [[R:%.*]] = extractelement <8 x float> [[TMP1]], i32 0 ; AVX-NEXT: ret float [[R]] ; %e0 = extractelement <8 x float> %x, i32 0 %e1 = extractelement <8 x float> %x, i32 4 %r = fadd float %e0, %e1 ret float %r } define float @ext7_ext4_fmul_v8f32(<8 x float> %x) { ; SSE-LABEL: @ext7_ext4_fmul_v8f32( ; SSE-NEXT: [[E0:%.*]] = extractelement <8 x float> [[X:%.*]], i32 7 ; SSE-NEXT: [[E1:%.*]] = extractelement <8 x float> [[X]], i32 4 ; SSE-NEXT: [[R:%.*]] = fadd float [[E0]], [[E1]] ; SSE-NEXT: ret float [[R]] ; ; AVX-LABEL: @ext7_ext4_fmul_v8f32( ; AVX-NEXT: [[SHIFT:%.*]] = shufflevector <8 x float> [[X:%.*]], <8 x float> poison, <8 x i32> ; AVX-NEXT: [[TMP1:%.*]] = fadd <8 x float> [[SHIFT]], [[X]] ; AVX-NEXT: [[R:%.*]] = extractelement <8 x float> [[TMP1]], i64 4 ; AVX-NEXT: ret float [[R]] ; %e0 = extractelement <8 x float> %x, i32 7 %e1 = extractelement <8 x float> %x, i32 4 %r = fadd float %e0, %e1 ret float %r } define float @ext0_ext8_fmul_v16f32(<16 x float> %x) { ; CHECK-LABEL: @ext0_ext8_fmul_v16f32( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x float> [[X:%.*]], i32 0 ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x float> [[X]], i32 8 ; CHECK-NEXT: [[R:%.*]] = fadd float [[E0]], [[E1]] ; CHECK-NEXT: ret float [[R]] ; %e0 = extractelement <16 x float> %x, i32 0 %e1 = extractelement <16 x float> %x, i32 8 %r = fadd float %e0, %e1 ret float %r } define float @ext14_ext15_fmul_v16f32(<16 x float> %x) { ; CHECK-LABEL: @ext14_ext15_fmul_v16f32( ; CHECK-NEXT: [[E0:%.*]] = extractelement <16 x float> [[X:%.*]], i32 14 ; CHECK-NEXT: [[E1:%.*]] = extractelement <16 x float> [[X]], i32 15 ; CHECK-NEXT: [[R:%.*]] = fadd float [[E0]], [[E1]] ; CHECK-NEXT: ret float [[R]] ; %e0 = extractelement <16 x float> %x, i32 14 %e1 = extractelement <16 x float> %x, i32 15 %r = fadd float %e0, %e1 ret float %r } define <4 x float> @ins_bo_ext_ext(<4 x float> %a, <4 x float> %b) { ; CHECK-LABEL: @ins_bo_ext_ext( ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x float> [[A:%.*]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = fadd <4 x float> [[SHIFT]], [[A]] ; CHECK-NEXT: [[A23:%.*]] = extractelement <4 x float> [[TMP1]], i64 3 ; CHECK-NEXT: [[V3:%.*]] = insertelement <4 x float> [[B:%.*]], float [[A23]], i32 3 ; CHECK-NEXT: ret <4 x float> [[V3]] ; %a2 = extractelement <4 x float> %a, i32 2 %a3 = extractelement <4 x float> %a, i32 3 %a23 = fadd float %a2, %a3 %v3 = insertelement <4 x float> %b, float %a23, i32 3 ret <4 x float> %v3 } ; TODO: This is conservatively left to extract from the lower index value, ; but it is likely that extracting from index 3 is the better option. define <4 x float> @ins_bo_ext_ext_uses(<4 x float> %a, <4 x float> %b) { ; CHECK-LABEL: @ins_bo_ext_ext_uses( ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x float> [[A:%.*]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = fadd <4 x float> [[A]], [[SHIFT]] ; CHECK-NEXT: [[A23:%.*]] = extractelement <4 x float> [[TMP1]], i32 2 ; CHECK-NEXT: call void @use_f32(float [[A23]]) ; CHECK-NEXT: [[V3:%.*]] = insertelement <4 x float> [[B:%.*]], float [[A23]], i32 3 ; CHECK-NEXT: ret <4 x float> [[V3]] ; %a2 = extractelement <4 x float> %a, i32 2 %a3 = extractelement <4 x float> %a, i32 3 %a23 = fadd float %a2, %a3 call void @use_f32(float %a23) %v3 = insertelement <4 x float> %b, float %a23, i32 3 ret <4 x float> %v3 } define <4 x float> @PR34724(<4 x float> %a, <4 x float> %b) { ; CHECK-LABEL: @PR34724( ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x float> [[A:%.*]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = fadd <4 x float> [[A]], [[SHIFT]] ; CHECK-NEXT: [[A23:%.*]] = extractelement <4 x float> [[TMP1]], i32 2 ; CHECK-NEXT: [[SHIFT1:%.*]] = shufflevector <4 x float> [[B:%.*]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP2:%.*]] = fadd <4 x float> [[B]], [[SHIFT1]] ; CHECK-NEXT: [[B01:%.*]] = extractelement <4 x float> [[TMP2]], i32 0 ; CHECK-NEXT: [[SHIFT2:%.*]] = shufflevector <4 x float> [[B]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: [[TMP3:%.*]] = fadd <4 x float> [[SHIFT2]], [[B]] ; CHECK-NEXT: [[B23:%.*]] = extractelement <4 x float> [[TMP3]], i64 3 ; CHECK-NEXT: [[V1:%.*]] = insertelement <4 x float> undef, float [[A23]], i32 1 ; CHECK-NEXT: [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[B01]], i32 2 ; CHECK-NEXT: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[B23]], i32 3 ; CHECK-NEXT: ret <4 x float> [[V3]] ; %a0 = extractelement <4 x float> %a, i32 0 %a1 = extractelement <4 x float> %a, i32 1 %a2 = extractelement <4 x float> %a, i32 2 %a3 = extractelement <4 x float> %a, i32 3 %b0 = extractelement <4 x float> %b, i32 0 %b1 = extractelement <4 x float> %b, i32 1 %b2 = extractelement <4 x float> %b, i32 2 %b3 = extractelement <4 x float> %b, i32 3 %a23 = fadd float %a2, %a3 %b01 = fadd float %b0, %b1 %b23 = fadd float %b2, %b3 %v1 = insertelement <4 x float> undef, float %a23, i32 1 %v2 = insertelement <4 x float> %v1, float %b01, i32 2 %v3 = insertelement <4 x float> %v2, float %b23, i32 3 ret <4 x float> %v3 } define i32 @ext_ext_or_reduction_v4i32(<4 x i32> %x, <4 x i32> %y) { ; CHECK-LABEL: @ext_ext_or_reduction_v4i32( ; CHECK-NEXT: [[Z:%.*]] = and <4 x i32> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x i32> [[Z]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = or <4 x i32> [[Z]], [[SHIFT]] ; CHECK-NEXT: [[SHIFT1:%.*]] = shufflevector <4 x i32> [[Z]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP2:%.*]] = or <4 x i32> [[TMP1]], [[SHIFT1]] ; CHECK-NEXT: [[SHIFT2:%.*]] = shufflevector <4 x i32> [[Z]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP3:%.*]] = or <4 x i32> [[SHIFT2]], [[TMP2]] ; CHECK-NEXT: [[Z0123:%.*]] = extractelement <4 x i32> [[TMP3]], i64 0 ; CHECK-NEXT: ret i32 [[Z0123]] ; %z = and <4 x i32> %x, %y %z0 = extractelement <4 x i32> %z, i32 0 %z1 = extractelement <4 x i32> %z, i32 1 %z01 = or i32 %z0, %z1 %z2 = extractelement <4 x i32> %z, i32 2 %z012 = or i32 %z01, %z2 %z3 = extractelement <4 x i32> %z, i32 3 %z0123 = or i32 %z3, %z012 ret i32 %z0123 } define i32 @ext_ext_partial_add_reduction_v4i32(<4 x i32> %x) { ; CHECK-LABEL: @ext_ext_partial_add_reduction_v4i32( ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[SHIFT]], [[X]] ; CHECK-NEXT: [[SHIFT1:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i32> [[SHIFT1]], [[TMP1]] ; CHECK-NEXT: [[X210:%.*]] = extractelement <4 x i32> [[TMP2]], i64 0 ; CHECK-NEXT: ret i32 [[X210]] ; %x0 = extractelement <4 x i32> %x, i32 0 %x1 = extractelement <4 x i32> %x, i32 1 %x10 = add i32 %x1, %x0 %x2 = extractelement <4 x i32> %x, i32 2 %x210 = add i32 %x2, %x10 ret i32 %x210 } define i32 @ext_ext_partial_add_reduction_and_extra_add_v4i32(<4 x i32> %x, <4 x i32> %y) { ; CHECK-LABEL: @ext_ext_partial_add_reduction_and_extra_add_v4i32( ; CHECK-NEXT: [[SHIFT:%.*]] = shufflevector <4 x i32> [[Y:%.*]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = add <4 x i32> [[SHIFT]], [[Y]] ; CHECK-NEXT: [[SHIFT1:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i32> [[SHIFT1]], [[TMP1]] ; CHECK-NEXT: [[SHIFT2:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> poison, <4 x i32> ; CHECK-NEXT: [[TMP3:%.*]] = add <4 x i32> [[SHIFT2]], [[TMP2]] ; CHECK-NEXT: [[X2Y210:%.*]] = extractelement <4 x i32> [[TMP3]], i64 0 ; CHECK-NEXT: ret i32 [[X2Y210]] ; %y0 = extractelement <4 x i32> %y, i32 0 %y1 = extractelement <4 x i32> %y, i32 1 %y10 = add i32 %y1, %y0 %y2 = extractelement <4 x i32> %y, i32 2 %y210 = add i32 %y2, %y10 %x2 = extractelement <4 x i32> %x, i32 2 %x2y210 = add i32 %x2, %y210 ret i32 %x2y210 } define i32 @constant_fold_crash(<4 x i32> %x) { ; CHECK-LABEL: @constant_fold_crash( ; CHECK-NEXT: [[A:%.*]] = extractelement <4 x i32> , i32 1 ; CHECK-NEXT: [[B:%.*]] = extractelement <4 x i32> [[X:%.*]], i32 0 ; CHECK-NEXT: [[C:%.*]] = add i32 [[A]], [[B]] ; CHECK-NEXT: ret i32 [[C]] ; %a = extractelement <4 x i32> , i32 1 %b = extractelement <4 x i32> %x, i32 0 %c = add i32 %a, %b ret i32 %c } define float @constant_fold_crash_commute(<4 x float> %x) { ; CHECK-LABEL: @constant_fold_crash_commute( ; CHECK-NEXT: [[A:%.*]] = extractelement <4 x float> , i32 3 ; CHECK-NEXT: [[B:%.*]] = extractelement <4 x float> [[X:%.*]], i32 1 ; CHECK-NEXT: [[C:%.*]] = fadd float [[B]], [[A]] ; CHECK-NEXT: ret float [[C]] ; %a = extractelement <4 x float> , i32 3 %b = extractelement <4 x float> %x, i32 1 %c = fadd float %b, %a ret float %c }