diff --git a/llvm/test/Transforms/SLPVectorizer/X86/diamond_broadcast.ll b/llvm/test/Transforms/SLPVectorizer/X86/diamond_broadcast.ll new file mode 100644 index 00000000000000..d34645707584b1 --- /dev/null +++ b/llvm/test/Transforms/SLPVectorizer/X86/diamond_broadcast.ll @@ -0,0 +1,37 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-unknown-linux -slp-threshold=-1 | FileCheck %s + +define i32 @diamond_broadcast(i32* noalias nocapture %B, i32* noalias nocapture %A) { +; CHECK-LABEL: @diamond_broadcast( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[A:%.*]], align 4 +; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[LD]], [[LD]] +; CHECK-NEXT: store i32 [[MUL]], i32* [[B:%.*]], align 4 +; CHECK-NEXT: [[MUL8:%.*]] = mul i32 [[LD]], [[LD]] +; CHECK-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 1 +; CHECK-NEXT: store i32 [[MUL8]], i32* [[ARRAYIDX9]], align 4 +; CHECK-NEXT: [[MUL14:%.*]] = mul i32 [[LD]], [[LD]] +; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 2 +; CHECK-NEXT: store i32 [[MUL14]], i32* [[ARRAYIDX15]], align 4 +; CHECK-NEXT: [[MUL20:%.*]] = mul i32 [[LD]], [[LD]] +; CHECK-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 3 +; CHECK-NEXT: store i32 [[MUL20]], i32* [[ARRAYIDX21]], align 4 +; CHECK-NEXT: ret i32 0 +; +entry: + %ld = load i32, i32* %A, align 4 + %mul = mul i32 %ld, %ld + store i32 %mul, i32* %B, align 4 + %mul8 = mul i32 %ld, %ld + %arrayidx9 = getelementptr inbounds i32, i32* %B, i64 1 + store i32 %mul8, i32* %arrayidx9, align 4 + %mul14 = mul i32 %ld, %ld + %arrayidx15 = getelementptr inbounds i32, i32* %B, i64 2 + store i32 %mul14, i32* %arrayidx15, align 4 + %mul20 = mul i32 %ld, %ld + %arrayidx21 = getelementptr inbounds i32, i32* %B, i64 3 + store i32 %mul20, i32* %arrayidx21, align 4 + ret i32 0 +} + +