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|
; 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(float * __restrict__ in, float * __restrict__ out, int * __restrict__ trigger, int * __restrict__ index) {
;
; for (int i=0; i < SIZE; ++i) {
; if (trigger[i] > 0) {
; out[i] = in[index[i]] + (float) 0.5;
; }
; }
;}
;AVX512-LABEL: @foo1
;AVX512: llvm.masked.load.v16i32
;AVX512: llvm.masked.gather.v16f32
;AVX512: llvm.masked.store.v16f32
;AVX512: ret void
; Function Attrs: nounwind uwtable
define void @foo1(float* noalias %in, float* noalias %out, i32* noalias %trigger, i32* noalias %index) {
entry:
%in.addr = alloca float*, align 8
%out.addr = alloca float*, align 8
%trigger.addr = alloca i32*, align 8
%index.addr = alloca i32*, align 8
%i = alloca i32, align 4
store float* %in, float** %in.addr, align 8
store float* %out, float** %out.addr, align 8
store i32* %trigger, i32** %trigger.addr, align 8
store i32* %index, i32** %index.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, 4096
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 i32*, i32** %index.addr, align 8
%arrayidx3 = getelementptr inbounds i32, i32* %5, i64 %idxprom2
%6 = load i32, i32* %arrayidx3, align 4
%idxprom4 = sext i32 %6 to i64
%7 = load float*, float** %in.addr, align 8
%arrayidx5 = getelementptr inbounds float, float* %7, i64 %idxprom4
%8 = load float, float* %arrayidx5, align 4
%add = fadd float %8, 5.000000e-01
%9 = load i32, i32* %i, align 4
%idxprom6 = sext i32 %9 to i64
%10 = load float*, float** %out.addr, align 8
%arrayidx7 = getelementptr inbounds float, float* %10, 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
%11 = load i32, i32* %i, align 4
%inc = add nsw i32 %11, 1
store i32 %inc, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
; The source code
;void foo2 (In * __restrict__ in, float * __restrict__ out, int * __restrict__ trigger) {
;
; for (int i=0; i<SIZE; i += 16) {
; if (trigger[i] > 0) {
; out[i] = in[i].b + (float) 0.5;
; }
; }
;}
%struct.In = type { float, float }
;AVX512-LABEL: @foo2
;AVX512: getelementptr inbounds %struct.In, %struct.In* %in, <16 x i64> {{.*}}, i32 1
;AVX512: llvm.masked.gather.v16f32
;AVX512: llvm.masked.scatter.v16f32
;AVX512: ret void
define void @foo2(%struct.In* noalias %in, float* noalias %out, i32* noalias %trigger, i32* noalias %index) #0 {
entry:
%in.addr = alloca %struct.In*, align 8
%out.addr = alloca float*, align 8
%trigger.addr = alloca i32*, align 8
%index.addr = alloca i32*, align 8
%i = alloca i32, align 4
store %struct.In* %in, %struct.In** %in.addr, align 8
store float* %out, float** %out.addr, align 8
store i32* %trigger, i32** %trigger.addr, align 8
store i32* %index, i32** %index.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, 4096
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 %struct.In*, %struct.In** %in.addr, align 8
%arrayidx3 = getelementptr inbounds %struct.In, %struct.In* %5, i64 %idxprom2
%b = getelementptr inbounds %struct.In, %struct.In* %arrayidx3, i32 0, i32 1
%6 = load float, float* %b, align 4
%add = fadd float %6, 5.000000e-01
%7 = load i32, i32* %i, align 4
%idxprom4 = sext i32 %7 to i64
%8 = load float*, float** %out.addr, align 8
%arrayidx5 = getelementptr inbounds float, float* %8, i64 %idxprom4
store float %add, float* %arrayidx5, align 4
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
%inc = add nsw i32 %9, 16
store i32 %inc, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
; The source code
;struct Out {
; float a;
; float b;
;};
;void foo3 (In * __restrict__ in, Out * __restrict__ out, int * __restrict__ trigger) {
;
; for (int i=0; i<SIZE; i += 16) {
; if (trigger[i] > 0) {
; out[i].b = in[i].b + (float) 0.5;
; }
; }
;}
;AVX512-LABEL: @foo3
;AVX512: getelementptr inbounds %struct.In, %struct.In* %in, <16 x i64> {{.*}}, i32 1
;AVX512: llvm.masked.gather.v16f32
;AVX512: fadd <16 x float>
;AVX512: getelementptr inbounds %struct.Out, %struct.Out* %out, <16 x i64> {{.*}}, i32 1
;AVX512: llvm.masked.scatter.v16f32
;AVX512: ret void
%struct.Out = type { float, float }
define void @foo3(%struct.In* noalias %in, %struct.Out* noalias %out, i32* noalias %trigger) {
entry:
%in.addr = alloca %struct.In*, align 8
%out.addr = alloca %struct.Out*, align 8
%trigger.addr = alloca i32*, align 8
%i = alloca i32, align 4
store %struct.In* %in, %struct.In** %in.addr, align 8
store %struct.Out* %out, %struct.Out** %out.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, 4096
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 %struct.In*, %struct.In** %in.addr, align 8
%arrayidx3 = getelementptr inbounds %struct.In, %struct.In* %5, i64 %idxprom2
%b = getelementptr inbounds %struct.In, %struct.In* %arrayidx3, i32 0, i32 1
%6 = load float, float* %b, align 4
%add = fadd float %6, 5.000000e-01
%7 = load i32, i32* %i, align 4
%idxprom4 = sext i32 %7 to i64
%8 = load %struct.Out*, %struct.Out** %out.addr, align 8
%arrayidx5 = getelementptr inbounds %struct.Out, %struct.Out* %8, i64 %idxprom4
%b6 = getelementptr inbounds %struct.Out, %struct.Out* %arrayidx5, i32 0, i32 1
store float %add, float* %b6, align 4
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
%inc = add nsw i32 %9, 16
store i32 %inc, i32* %i, align 4
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
declare void @llvm.masked.scatter.v16f32(<16 x float>, <16 x float*>, i32, <16 x i1>)
|
