; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -slp-vectorizer -slp-vectorize-hor -S -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 -debug < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX ; RUN: opt -slp-vectorizer -slp-vectorize-hor -S -mtriple=x86_64-unknown-linux-gnu -mcpu=core2 -debug < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,SSE ; REQUIRES: asserts ; int test_add(unsigned int *p) { ; int result = 0; ; for (int i = 0; i < 8; i++) ; result += p[i]; ; return result; ; } ; Vector cost is 5, Scalar cost is 7 ; AVX: Adding cost -2 for reduction that starts with %0 = load i32, i32* %p, align 4 (It is a splitting reduction) ; Vector cost is 6, Scalar cost is 7 ; SSE: Adding cost -1 for reduction that starts with %0 = load i32, i32* %p, align 4 (It is a splitting reduction) define i32 @test_add(i32* nocapture readonly %p) { ; CHECK-LABEL: @test_add( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P:%.*]] to <8 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP1]]) ; CHECK-NEXT: ret i32 [[TMP2]] ; entry: %0 = load i32, i32* %p, align 4 %arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1 %1 = load i32, i32* %arrayidx.1, align 4 %mul.18 = add i32 %1, %0 %arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2 %2 = load i32, i32* %arrayidx.2, align 4 %mul.29 = add i32 %2, %mul.18 %arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3 %3 = load i32, i32* %arrayidx.3, align 4 %mul.310 = add i32 %3, %mul.29 %arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4 %4 = load i32, i32* %arrayidx.4, align 4 %mul.411 = add i32 %4, %mul.310 %arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5 %5 = load i32, i32* %arrayidx.5, align 4 %mul.512 = add i32 %5, %mul.411 %arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6 %6 = load i32, i32* %arrayidx.6, align 4 %mul.613 = add i32 %6, %mul.512 %arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7 %7 = load i32, i32* %arrayidx.7, align 4 %mul.714 = add i32 %7, %mul.613 ret i32 %mul.714 } ; int test_mul(unsigned int *p) { ; int result = 0; ; for (int i = 0; i < 8; i++) ; result *= p[i]; ; return result; ; } define i32 @test_mul(i32* nocapture readonly %p) { ; AVX-LABEL: @test_mul( ; AVX-NEXT: entry: ; AVX-NEXT: [[TMP0:%.*]] = bitcast i32* [[P:%.*]] to <8 x i32>* ; AVX-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4 ; AVX-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.mul.v8i32(<8 x i32> [[TMP1]]) ; AVX-NEXT: ret i32 [[TMP2]] ; ; SSE-LABEL: @test_mul( ; SSE-NEXT: entry: ; SSE-NEXT: [[TMP0:%.*]] = load i32, i32* [[P:%.*]], align 4 ; SSE-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 1 ; SSE-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX_1]], align 4 ; SSE-NEXT: [[MUL_18:%.*]] = mul i32 [[TMP1]], [[TMP0]] ; SSE-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 2 ; SSE-NEXT: [[TMP2:%.*]] = load i32, i32* [[ARRAYIDX_2]], align 4 ; SSE-NEXT: [[MUL_29:%.*]] = mul i32 [[TMP2]], [[MUL_18]] ; SSE-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 3 ; SSE-NEXT: [[TMP3:%.*]] = load i32, i32* [[ARRAYIDX_3]], align 4 ; SSE-NEXT: [[MUL_310:%.*]] = mul i32 [[TMP3]], [[MUL_29]] ; SSE-NEXT: [[ARRAYIDX_4:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 4 ; SSE-NEXT: [[TMP4:%.*]] = load i32, i32* [[ARRAYIDX_4]], align 4 ; SSE-NEXT: [[MUL_411:%.*]] = mul i32 [[TMP4]], [[MUL_310]] ; SSE-NEXT: [[ARRAYIDX_5:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 5 ; SSE-NEXT: [[TMP5:%.*]] = load i32, i32* [[ARRAYIDX_5]], align 4 ; SSE-NEXT: [[MUL_512:%.*]] = mul i32 [[TMP5]], [[MUL_411]] ; SSE-NEXT: [[ARRAYIDX_6:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 6 ; SSE-NEXT: [[TMP6:%.*]] = load i32, i32* [[ARRAYIDX_6]], align 4 ; SSE-NEXT: [[MUL_613:%.*]] = mul i32 [[TMP6]], [[MUL_512]] ; SSE-NEXT: [[ARRAYIDX_7:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7 ; SSE-NEXT: [[TMP7:%.*]] = load i32, i32* [[ARRAYIDX_7]], align 4 ; SSE-NEXT: [[MUL_714:%.*]] = mul i32 [[TMP7]], [[MUL_613]] ; SSE-NEXT: ret i32 [[MUL_714]] ; entry: %0 = load i32, i32* %p, align 4 %arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1 %1 = load i32, i32* %arrayidx.1, align 4 %mul.18 = mul i32 %1, %0 %arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2 %2 = load i32, i32* %arrayidx.2, align 4 %mul.29 = mul i32 %2, %mul.18 %arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3 %3 = load i32, i32* %arrayidx.3, align 4 %mul.310 = mul i32 %3, %mul.29 %arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4 %4 = load i32, i32* %arrayidx.4, align 4 %mul.411 = mul i32 %4, %mul.310 %arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5 %5 = load i32, i32* %arrayidx.5, align 4 %mul.512 = mul i32 %5, %mul.411 %arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6 %6 = load i32, i32* %arrayidx.6, align 4 %mul.613 = mul i32 %6, %mul.512 %arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7 %7 = load i32, i32* %arrayidx.7, align 4 %mul.714 = mul i32 %7, %mul.613 ret i32 %mul.714 } ; int test_and(unsigned int *p) { ; int result = 0; ; for (int i = 0; i < 8; i++) ; result &= p[i]; ; return result; ; } define i32 @test_and(i32* nocapture readonly %p) { ; CHECK-LABEL: @test_and( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P:%.*]] to <8 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.and.v8i32(<8 x i32> [[TMP1]]) ; CHECK-NEXT: ret i32 [[TMP2]] ; entry: %0 = load i32, i32* %p, align 4 %arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1 %1 = load i32, i32* %arrayidx.1, align 4 %mul.18 = and i32 %1, %0 %arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2 %2 = load i32, i32* %arrayidx.2, align 4 %mul.29 = and i32 %2, %mul.18 %arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3 %3 = load i32, i32* %arrayidx.3, align 4 %mul.310 = and i32 %3, %mul.29 %arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4 %4 = load i32, i32* %arrayidx.4, align 4 %mul.411 = and i32 %4, %mul.310 %arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5 %5 = load i32, i32* %arrayidx.5, align 4 %mul.512 = and i32 %5, %mul.411 %arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6 %6 = load i32, i32* %arrayidx.6, align 4 %mul.613 = and i32 %6, %mul.512 %arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7 %7 = load i32, i32* %arrayidx.7, align 4 %mul.714 = and i32 %7, %mul.613 ret i32 %mul.714 } ; int test_or(unsigned int *p) { ; int result = 0; ; for (int i = 0; i < 8; i++) ; result |= p[i]; ; return result; ; } define i32 @test_or(i32* nocapture readonly %p) { ; CHECK-LABEL: @test_or( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P:%.*]] to <8 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.or.v8i32(<8 x i32> [[TMP1]]) ; CHECK-NEXT: ret i32 [[TMP2]] ; entry: %0 = load i32, i32* %p, align 4 %arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1 %1 = load i32, i32* %arrayidx.1, align 4 %mul.18 = or i32 %1, %0 %arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2 %2 = load i32, i32* %arrayidx.2, align 4 %mul.29 = or i32 %2, %mul.18 %arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3 %3 = load i32, i32* %arrayidx.3, align 4 %mul.310 = or i32 %3, %mul.29 %arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4 %4 = load i32, i32* %arrayidx.4, align 4 %mul.411 = or i32 %4, %mul.310 %arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5 %5 = load i32, i32* %arrayidx.5, align 4 %mul.512 = or i32 %5, %mul.411 %arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6 %6 = load i32, i32* %arrayidx.6, align 4 %mul.613 = or i32 %6, %mul.512 %arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7 %7 = load i32, i32* %arrayidx.7, align 4 %mul.714 = or i32 %7, %mul.613 ret i32 %mul.714 } ; int test_xor(unsigned int *p) { ; int result = 0; ; for (int i = 0; i < 8; i++) ; result ^= p[i]; ; return result; ; } define i32 @test_xor(i32* nocapture readonly %p) { ; CHECK-LABEL: @test_xor( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P:%.*]] to <8 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.xor.v8i32(<8 x i32> [[TMP1]]) ; CHECK-NEXT: ret i32 [[TMP2]] ; entry: %0 = load i32, i32* %p, align 4 %arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1 %1 = load i32, i32* %arrayidx.1, align 4 %mul.18 = xor i32 %1, %0 %arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2 %2 = load i32, i32* %arrayidx.2, align 4 %mul.29 = xor i32 %2, %mul.18 %arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3 %3 = load i32, i32* %arrayidx.3, align 4 %mul.310 = xor i32 %3, %mul.29 %arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4 %4 = load i32, i32* %arrayidx.4, align 4 %mul.411 = xor i32 %4, %mul.310 %arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5 %5 = load i32, i32* %arrayidx.5, align 4 %mul.512 = xor i32 %5, %mul.411 %arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6 %6 = load i32, i32* %arrayidx.6, align 4 %mul.613 = xor i32 %6, %mul.512 %arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7 %7 = load i32, i32* %arrayidx.7, align 4 %mul.714 = xor i32 %7, %mul.613 ret i32 %mul.714 } define i32 @PR37731(<4 x i32>* noalias nocapture dereferenceable(16) %self) unnamed_addr #0 { ; CHECK-LABEL: @PR37731( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load <4 x i32>, <4 x i32>* [[SELF:%.*]], align 16 ; CHECK-NEXT: [[TMP1:%.*]] = shl <4 x i32> [[TMP0]], <i32 6, i32 2, i32 13, i32 3> ; CHECK-NEXT: [[TMP2:%.*]] = xor <4 x i32> [[TMP1]], [[TMP0]] ; CHECK-NEXT: [[TMP3:%.*]] = lshr <4 x i32> [[TMP2]], <i32 13, i32 27, i32 21, i32 12> ; CHECK-NEXT: [[TMP4:%.*]] = and <4 x i32> [[TMP0]], <i32 -2, i32 -8, i32 -16, i32 -128> ; CHECK-NEXT: [[TMP5:%.*]] = shl <4 x i32> [[TMP4]], <i32 18, i32 2, i32 7, i32 13> ; CHECK-NEXT: [[TMP6:%.*]] = xor <4 x i32> [[TMP3]], [[TMP5]] ; CHECK-NEXT: store <4 x i32> [[TMP6]], <4 x i32>* [[SELF]], align 16 ; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> [[TMP6]]) ; CHECK-NEXT: ret i32 [[TMP7]] ; entry: %0 = load <4 x i32>, <4 x i32>* %self, align 16 %1 = shl <4 x i32> %0, <i32 6, i32 2, i32 13, i32 3> %2 = xor <4 x i32> %1, %0 %3 = lshr <4 x i32> %2, <i32 13, i32 27, i32 21, i32 12> %4 = and <4 x i32> %0, <i32 -2, i32 -8, i32 -16, i32 -128> %5 = shl <4 x i32> %4, <i32 18, i32 2, i32 7, i32 13> %6 = xor <4 x i32> %3, %5 store <4 x i32> %6, <4 x i32>* %self, align 16 %7 = extractelement <4 x i32> %6, i32 0 %8 = extractelement <4 x i32> %6, i32 1 %9 = xor i32 %7, %8 %10 = extractelement <4 x i32> %6, i32 2 %11 = xor i32 %9, %10 %12 = extractelement <4 x i32> %6, i32 3 %13 = xor i32 %11, %12 ret i32 %13 }