1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-24 13:33:37 +02:00
llvm-mirror/test/Transforms/SLPVectorizer/X86/reduction_loads.ll

50 lines
1.8 KiB
LLVM
Raw Normal View History

; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.10.0 -mattr=+sse4.2 | FileCheck %s
; CHECK-LABEL: @test
; CHECK: [[CAST:%.*]] = bitcast i32* %p to <8 x i32>*
; CHECK: [[LOAD:%.*]] = load <8 x i32>, <8 x i32>* [[CAST]], align 4
; CHECK: mul <8 x i32> <i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42>, [[LOAD]]
define i32 @test(i32* nocapture readonly %p) {
entry:
%arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1
%arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2
%arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3
%arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4
%arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5
%arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6
%arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7
br label %for.body
for.body:
%sum = phi i32 [ 0, %entry ], [ %add.7, %for.body ]
%tmp = load i32, i32* %p, align 4
%mul = mul i32 %tmp, 42
%add = add i32 %mul, %sum
%tmp5 = load i32, i32* %arrayidx.1, align 4
%mul.1 = mul i32 %tmp5, 42
%add.1 = add i32 %mul.1, %add
%tmp6 = load i32, i32* %arrayidx.2, align 4
%mul.2 = mul i32 %tmp6, 42
%add.2 = add i32 %mul.2, %add.1
%tmp7 = load i32, i32* %arrayidx.3, align 4
%mul.3 = mul i32 %tmp7, 42
%add.3 = add i32 %mul.3, %add.2
%tmp8 = load i32, i32* %arrayidx.4, align 4
%mul.4 = mul i32 %tmp8, 42
%add.4 = add i32 %mul.4, %add.3
%tmp9 = load i32, i32* %arrayidx.5, align 4
%mul.5 = mul i32 %tmp9, 42
%add.5 = add i32 %mul.5, %add.4
%tmp10 = load i32, i32* %arrayidx.6, align 4
%mul.6 = mul i32 %tmp10, 42
%add.6 = add i32 %mul.6, %add.5
%tmp11 = load i32, i32* %arrayidx.7, align 4
%mul.7 = mul i32 %tmp11, 42
%add.7 = add i32 %mul.7, %add.6
br i1 true, label %for.end, label %for.body
for.end:
ret i32 %add.7
}