; RUN: opt < %s -O3 -mcpu=corei7-avx -S | FileCheck %s -check-prefix=AVX1 ; RUN: opt < %s -O3 -mcpu=core-avx2 -S | FileCheck %s -check-prefix=AVX2 ; RUN: opt < %s -O3 -mcpu=knl -S | FileCheck %s -check-prefix=AVX512 ;AVX1-NOT: llvm.masked target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc_linux" ; The source code: ; ;void foo1(int *A, int *B, int *trigger) { ; ; for (int i=0; i<10000; i++) { ; if (trigger[i] < 100) { ; A[i] = B[i] + trigger[i]; ; } ; } ;} ;AVX2-LABEL: @foo1 ;AVX2: icmp slt <8 x i32> %wide.load, @llvm.masked.load.v8i32 ;AVX2: add nsw <8 x i32> ;AVX2: call void @llvm.masked.store.v8i32 ;AVX2: ret void ;AVX512-LABEL: @foo1 ;AVX512: icmp slt <16 x i32> %wide.load, @llvm.masked.load.v16i32 ;AVX512: add nsw <16 x i32> ;AVX512: call void @llvm.masked.store.v16i32 ;AVX512: ret void ; Function Attrs: nounwind uwtable define void @foo1(i32* %A, i32* %B, i32* %trigger) { entry: %A.addr = alloca i32*, align 8 %B.addr = alloca i32*, align 8 %trigger.addr = alloca i32*, align 8 %i = alloca i32, align 4 store i32* %A, i32** %A.addr, align 8 store i32* %B, i32** %B.addr, align 8 store i32* %trigger, i32** %trigger.addr, align 8 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %1 = load i32, i32* %i, align 4 %idxprom = sext i32 %1 to i64 %2 = load i32*, i32** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i32, i32* %2, i64 %idxprom %3 = load i32, i32* %arrayidx, align 4 %cmp1 = icmp slt i32 %3, 100 br i1 %cmp1, label %if.then, label %if.end if.then: ; preds = %for.body %4 = load i32, i32* %i, align 4 %idxprom2 = sext i32 %4 to i64 %5 = load i32*, i32** %B.addr, align 8 %arrayidx3 = getelementptr inbounds i32, i32* %5, i64 %idxprom2 %6 = load i32, i32* %arrayidx3, align 4 %7 = load i32, i32* %i, align 4 %idxprom4 = sext i32 %7 to i64 %8 = load i32*, i32** %trigger.addr, align 8 %arrayidx5 = getelementptr inbounds i32, i32* %8, i64 %idxprom4 %9 = load i32, i32* %arrayidx5, align 4 %add = add nsw i32 %6, %9 %10 = load i32, i32* %i, align 4 %idxprom6 = sext i32 %10 to i64 %11 = load i32*, i32** %A.addr, align 8 %arrayidx7 = getelementptr inbounds i32, i32* %11, i64 %idxprom6 store i32 %add, i32* %arrayidx7, align 4 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %12 = load i32, i32* %i, align 4 %inc = add nsw i32 %12, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } ; The source code: ; ;void foo2(float *A, float *B, int *trigger) { ; ; for (int i=0; i<10000; i++) { ; if (trigger[i] < 100) { ; A[i] = B[i] + trigger[i]; ; } ; } ;} ;AVX2-LABEL: @foo2 ;AVX2: icmp slt <8 x i32> %wide.load, @llvm.masked.load.v8f32 ;AVX2: fadd <8 x float> ;AVX2: call void @llvm.masked.store.v8f32 ;AVX2: ret void ;AVX512-LABEL: @foo2 ;AVX512: icmp slt <16 x i32> %wide.load, @llvm.masked.load.v16f32 ;AVX512: fadd <16 x float> ;AVX512: call void @llvm.masked.store.v16f32 ;AVX512: ret void ; Function Attrs: nounwind uwtable define void @foo2(float* %A, float* %B, i32* %trigger) { entry: %A.addr = alloca float*, align 8 %B.addr = alloca float*, align 8 %trigger.addr = alloca i32*, align 8 %i = alloca i32, align 4 store float* %A, float** %A.addr, align 8 store float* %B, float** %B.addr, align 8 store i32* %trigger, i32** %trigger.addr, align 8 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %1 = load i32, i32* %i, align 4 %idxprom = sext i32 %1 to i64 %2 = load i32*, i32** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i32, i32* %2, i64 %idxprom %3 = load i32, i32* %arrayidx, align 4 %cmp1 = icmp slt i32 %3, 100 br i1 %cmp1, label %if.then, label %if.end if.then: ; preds = %for.body %4 = load i32, i32* %i, align 4 %idxprom2 = sext i32 %4 to i64 %5 = load float*, float** %B.addr, align 8 %arrayidx3 = getelementptr inbounds float, float* %5, i64 %idxprom2 %6 = load float, float* %arrayidx3, align 4 %7 = load i32, i32* %i, align 4 %idxprom4 = sext i32 %7 to i64 %8 = load i32*, i32** %trigger.addr, align 8 %arrayidx5 = getelementptr inbounds i32, i32* %8, i64 %idxprom4 %9 = load i32, i32* %arrayidx5, align 4 %conv = sitofp i32 %9 to float %add = fadd float %6, %conv %10 = load i32, i32* %i, align 4 %idxprom6 = sext i32 %10 to i64 %11 = load float*, float** %A.addr, align 8 %arrayidx7 = getelementptr inbounds float, float* %11, i64 %idxprom6 store float %add, float* %arrayidx7, align 4 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %12 = load i32, i32* %i, align 4 %inc = add nsw i32 %12, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } ; The source code: ; ;void foo3(double *A, double *B, int *trigger) { ; ; for (int i=0; i<10000; i++) { ; if (trigger[i] < 100) { ; A[i] = B[i] + trigger[i]; ; } ; } ;} ;AVX2-LABEL: @foo3 ;AVX2: icmp slt <4 x i32> %wide.load, @llvm.masked.load.v4f64 ;AVX2: sitofp <4 x i32> %wide.load to <4 x double> ;AVX2: fadd <4 x double> ;AVX2: call void @llvm.masked.store.v4f64 ;AVX2: ret void ;AVX512-LABEL: @foo3 ;AVX512: icmp slt <8 x i32> %wide.load, @llvm.masked.load.v8f64 ;AVX512: sitofp <8 x i32> %wide.load to <8 x double> ;AVX512: fadd <8 x double> ;AVX512: call void @llvm.masked.store.v8f64 ;AVX512: ret void ; Function Attrs: nounwind uwtable define void @foo3(double* %A, double* %B, i32* %trigger) #0 { entry: %A.addr = alloca double*, align 8 %B.addr = alloca double*, align 8 %trigger.addr = alloca i32*, align 8 %i = alloca i32, align 4 store double* %A, double** %A.addr, align 8 store double* %B, double** %B.addr, align 8 store i32* %trigger, i32** %trigger.addr, align 8 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %1 = load i32, i32* %i, align 4 %idxprom = sext i32 %1 to i64 %2 = load i32*, i32** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i32, i32* %2, i64 %idxprom %3 = load i32, i32* %arrayidx, align 4 %cmp1 = icmp slt i32 %3, 100 br i1 %cmp1, label %if.then, label %if.end if.then: ; preds = %for.body %4 = load i32, i32* %i, align 4 %idxprom2 = sext i32 %4 to i64 %5 = load double*, double** %B.addr, align 8 %arrayidx3 = getelementptr inbounds double, double* %5, i64 %idxprom2 %6 = load double, double* %arrayidx3, align 8 %7 = load i32, i32* %i, align 4 %idxprom4 = sext i32 %7 to i64 %8 = load i32*, i32** %trigger.addr, align 8 %arrayidx5 = getelementptr inbounds i32, i32* %8, i64 %idxprom4 %9 = load i32, i32* %arrayidx5, align 4 %conv = sitofp i32 %9 to double %add = fadd double %6, %conv %10 = load i32, i32* %i, align 4 %idxprom6 = sext i32 %10 to i64 %11 = load double*, double** %A.addr, align 8 %arrayidx7 = getelementptr inbounds double, double* %11, i64 %idxprom6 store double %add, double* %arrayidx7, align 8 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %12 = load i32, i32* %i, align 4 %inc = add nsw i32 %12, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } ; The source code: ; ;void foo4(double *A, double *B, int *trigger) { ; ; for (int i=0; i<10000; i++) { ; if (trigger[i] < 100) { ; A[i] = B[i*2] + trigger[i]; << non-cosecutive access ; } ; } ;} ;AVX2-LABEL: @foo4 ;AVX2-NOT: llvm.masked ;AVX2: ret void ;AVX512-LABEL: @foo4 ;AVX512-NOT: llvm.masked ;AVX512: ret void ; Function Attrs: nounwind uwtable define void @foo4(double* %A, double* %B, i32* %trigger) { entry: %A.addr = alloca double*, align 8 %B.addr = alloca double*, align 8 %trigger.addr = alloca i32*, align 8 %i = alloca i32, align 4 store double* %A, double** %A.addr, align 8 store double* %B, double** %B.addr, align 8 store i32* %trigger, i32** %trigger.addr, align 8 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %1 = load i32, i32* %i, align 4 %idxprom = sext i32 %1 to i64 %2 = load i32*, i32** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i32, i32* %2, i64 %idxprom %3 = load i32, i32* %arrayidx, align 4 %cmp1 = icmp slt i32 %3, 100 br i1 %cmp1, label %if.then, label %if.end if.then: ; preds = %for.body %4 = load i32, i32* %i, align 4 %mul = mul nsw i32 %4, 2 %idxprom2 = sext i32 %mul to i64 %5 = load double*, double** %B.addr, align 8 %arrayidx3 = getelementptr inbounds double, double* %5, i64 %idxprom2 %6 = load double, double* %arrayidx3, align 8 %7 = load i32, i32* %i, align 4 %idxprom4 = sext i32 %7 to i64 %8 = load i32*, i32** %trigger.addr, align 8 %arrayidx5 = getelementptr inbounds i32, i32* %8, i64 %idxprom4 %9 = load i32, i32* %arrayidx5, align 4 %conv = sitofp i32 %9 to double %add = fadd double %6, %conv %10 = load i32, i32* %i, align 4 %idxprom6 = sext i32 %10 to i64 %11 = load double*, double** %A.addr, align 8 %arrayidx7 = getelementptr inbounds double, double* %11, i64 %idxprom6 store double %add, double* %arrayidx7, align 8 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %12 = load i32, i32* %i, align 4 %inc = add nsw i32 %12, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } @a = common global [1 x i32*] zeroinitializer, align 8 @c = common global i32* null, align 8 ; The loop here should not be vectorized due to trapping ; constant expression ;AVX2-LABEL: @foo5 ;AVX2-NOT: llvm.masked ;AVX2: store i32 sdiv ;AVX2: ret void ;AVX512-LABEL: @foo5 ;AVX512-NOT: llvm.masked ;AVX512: store i32 sdiv ;AVX512: ret void ; Function Attrs: nounwind uwtable define void @foo5(i32* %A, i32* %B, i32* %trigger) { entry: %A.addr = alloca i32*, align 8 %B.addr = alloca i32*, align 8 %trigger.addr = alloca i32*, align 8 %i = alloca i32, align 4 store i32* %A, i32** %A.addr, align 8 store i32* %B, i32** %B.addr, align 8 store i32* %trigger, i32** %trigger.addr, align 8 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %cmp = icmp slt i32 %0, 10000 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %1 = load i32, i32* %i, align 4 %idxprom = sext i32 %1 to i64 %2 = load i32*, i32** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i32, i32* %2, i64 %idxprom %3 = load i32, i32* %arrayidx, align 4 %cmp1 = icmp slt i32 %3, 100 br i1 %cmp1, label %if.then, label %if.end if.then: ; preds = %for.body %4 = load i32, i32* %i, align 4 %idxprom2 = sext i32 %4 to i64 %5 = load i32*, i32** %B.addr, align 8 %arrayidx3 = getelementptr inbounds i32, i32* %5, i64 %idxprom2 %6 = load i32, i32* %arrayidx3, align 4 %7 = load i32, i32* %i, align 4 %idxprom4 = sext i32 %7 to i64 %8 = load i32*, i32** %trigger.addr, align 8 %arrayidx5 = getelementptr inbounds i32, i32* %8, i64 %idxprom4 %9 = load i32, i32* %arrayidx5, align 4 %add = add nsw i32 %6, %9 %10 = load i32, i32* %i, align 4 %idxprom6 = sext i32 %10 to i64 %11 = load i32*, i32** %A.addr, align 8 %arrayidx7 = getelementptr inbounds i32, i32* %11, i64 %idxprom6 store i32 sdiv (i32 1, i32 zext (i1 icmp eq (i32** getelementptr inbounds ([1 x i32*], [1 x i32*]* @a, i64 0, i64 1), i32** @c) to i32)), i32* %arrayidx7, align 4 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %12 = load i32, i32* %i, align 4 %inc = add nsw i32 %12, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } ; Reverse loop ;void foo6(double *in, double *out, unsigned size, int *trigger) { ; ; for (int i=SIZE-1; i>=0; i--) { ; if (trigger[i] > 0) { ; out[i] = in[i] + (double) 0.5; ; } ; } ;} ;AVX2-LABEL: @foo6 ;AVX2: icmp sgt <4 x i32> %reverse, zeroinitializer ;AVX2: shufflevector <4 x i1>{{.*}}<4 x i32> ;AVX2: call <4 x double> @llvm.masked.load.v4f64 ;AVX2: fadd <4 x double> ;AVX2: call void @llvm.masked.store.v4f64 ;AVX2: ret void ;AVX512-LABEL: @foo6 ;AVX512: icmp sgt <8 x i32> %reverse, zeroinitializer ;AVX512: shufflevector <8 x i1>{{.*}}<8 x i32> @llvm.masked.load.v8f64 ;AVX512: fadd <8 x double> ;AVX512: call void @llvm.masked.store.v8f64 ;AVX512: ret void define void @foo6(double* %in, double* %out, i32 %size, i32* %trigger) { entry: %in.addr = alloca double*, align 8 %out.addr = alloca double*, align 8 %size.addr = alloca i32, align 4 %trigger.addr = alloca i32*, align 8 %i = alloca i32, align 4 store double* %in, double** %in.addr, align 8 store double* %out, double** %out.addr, align 8 store i32 %size, i32* %size.addr, align 4 store i32* %trigger, i32** %trigger.addr, align 8 store i32 4095, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %cmp = icmp sge i32 %0, 0 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %1 = load i32, i32* %i, align 4 %idxprom = sext i32 %1 to i64 %2 = load i32*, i32** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i32, i32* %2, i64 %idxprom %3 = load i32, i32* %arrayidx, align 4 %cmp1 = icmp sgt i32 %3, 0 br i1 %cmp1, label %if.then, label %if.end if.then: ; preds = %for.body %4 = load i32, i32* %i, align 4 %idxprom2 = sext i32 %4 to i64 %5 = load double*, double** %in.addr, align 8 %arrayidx3 = getelementptr inbounds double, double* %5, i64 %idxprom2 %6 = load double, double* %arrayidx3, align 8 %add = fadd double %6, 5.000000e-01 %7 = load i32, i32* %i, align 4 %idxprom4 = sext i32 %7 to i64 %8 = load double*, double** %out.addr, align 8 %arrayidx5 = getelementptr inbounds double, double* %8, i64 %idxprom4 store double %add, double* %arrayidx5, align 8 br label %if.end if.end: ; preds = %if.then, %for.body br label %for.inc for.inc: ; preds = %if.end %9 = load i32, i32* %i, align 4 %dec = add nsw i32 %9, -1 store i32 %dec, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } ; void foo7 (double * __restrict__ out, double ** __restrict__ in, ; bool * __restrict__ trigger, unsigned size) { ; ; for (unsigned i=0; i @llvm.masked.load.v8p0f64(<8 x double*>* ;AVX512: call void @llvm.masked.store.v8f64 ;AVX512: ret void define void @foo7(double* noalias %out, double** noalias %in, i8* noalias %trigger, i32 %size) #0 { entry: %out.addr = alloca double*, align 8 %in.addr = alloca double**, align 8 %trigger.addr = alloca i8*, align 8 %size.addr = alloca i32, align 4 %i = alloca i32, align 4 store double* %out, double** %out.addr, align 8 store double** %in, double*** %in.addr, align 8 store i8* %trigger, i8** %trigger.addr, align 8 store i32 %size, i32* %size.addr, align 4 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %1 = load i32, i32* %size.addr, align 4 %cmp = icmp ult i32 %0, %1 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %2 = load i32, i32* %i, align 4 %idxprom = zext i32 %2 to i64 %3 = load i8*, i8** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i8, i8* %3, i64 %idxprom %4 = load i8, i8* %arrayidx, align 1 %tobool = trunc i8 %4 to i1 br i1 %tobool, label %land.lhs.true, label %if.end land.lhs.true: ; preds = %for.body %5 = load i32, i32* %i, align 4 %idxprom1 = zext i32 %5 to i64 %6 = load double**, double*** %in.addr, align 8 %arrayidx2 = getelementptr inbounds double*, double** %6, i64 %idxprom1 %7 = load double*, double** %arrayidx2, align 8 %cmp3 = icmp ne double* %7, null br i1 %cmp3, label %if.then, label %if.end if.then: ; preds = %land.lhs.true %8 = load i32, i32* %i, align 4 %idxprom4 = zext i32 %8 to i64 %9 = load double*, double** %out.addr, align 8 %arrayidx5 = getelementptr inbounds double, double* %9, i64 %idxprom4 store double 5.000000e-01, double* %arrayidx5, align 8 br label %if.end if.end: ; preds = %if.then, %land.lhs.true, %for.body br label %for.inc for.inc: ; preds = %if.end %10 = load i32, i32* %i, align 4 %inc = add i32 %10, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void } ;typedef int (*fp)(); ;void foo8 (double* __restrict__ out, fp* __restrict__ in, bool * __restrict__ trigger, unsigned size) { ; ; for (unsigned i=0; i @llvm.masked.load.v8p0f_i32f(<8 x i32 ()*>* % ;AVX512: call void @llvm.masked.store.v8f64 ;AVX512: ret void define void @foo8(double* noalias %out, i32 ()** noalias %in, i8* noalias %trigger, i32 %size) #0 { entry: %out.addr = alloca double*, align 8 %in.addr = alloca i32 ()**, align 8 %trigger.addr = alloca i8*, align 8 %size.addr = alloca i32, align 4 %i = alloca i32, align 4 store double* %out, double** %out.addr, align 8 store i32 ()** %in, i32 ()*** %in.addr, align 8 store i8* %trigger, i8** %trigger.addr, align 8 store i32 %size, i32* %size.addr, align 4 store i32 0, i32* %i, align 4 br label %for.cond for.cond: ; preds = %for.inc, %entry %0 = load i32, i32* %i, align 4 %1 = load i32, i32* %size.addr, align 4 %cmp = icmp ult i32 %0, %1 br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %2 = load i32, i32* %i, align 4 %idxprom = zext i32 %2 to i64 %3 = load i8*, i8** %trigger.addr, align 8 %arrayidx = getelementptr inbounds i8, i8* %3, i64 %idxprom %4 = load i8, i8* %arrayidx, align 1 %tobool = trunc i8 %4 to i1 br i1 %tobool, label %land.lhs.true, label %if.end land.lhs.true: ; preds = %for.body %5 = load i32, i32* %i, align 4 %idxprom1 = zext i32 %5 to i64 %6 = load i32 ()**, i32 ()*** %in.addr, align 8 %arrayidx2 = getelementptr inbounds i32 ()*, i32 ()** %6, i64 %idxprom1 %7 = load i32 ()*, i32 ()** %arrayidx2, align 8 %cmp3 = icmp ne i32 ()* %7, null br i1 %cmp3, label %if.then, label %if.end if.then: ; preds = %land.lhs.true %8 = load i32, i32* %i, align 4 %idxprom4 = zext i32 %8 to i64 %9 = load double*, double** %out.addr, align 8 %arrayidx5 = getelementptr inbounds double, double* %9, i64 %idxprom4 store double 5.000000e-01, double* %arrayidx5, align 8 br label %if.end if.end: ; preds = %if.then, %land.lhs.true, %for.body br label %for.inc for.inc: ; preds = %if.end %10 = load i32, i32* %i, align 4 %inc = add i32 %10, 1 store i32 %inc, i32* %i, align 4 br label %for.cond for.end: ; preds = %for.cond ret void }