diff --git a/llvm/test/Transforms/SLPVectorizer/RISCV/shuffled-gather-casted.ll b/llvm/test/Transforms/SLPVectorizer/RISCV/shuffled-gather-casted.ll new file mode 100644 index 0000000000000..ded4b70966218 --- /dev/null +++ b/llvm/test/Transforms/SLPVectorizer/RISCV/shuffled-gather-casted.ll @@ -0,0 +1,55 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 +; RUN: opt -S -passes=slp-vectorizer -mtriple=riscv64-unknown-linux-gnu -mattr=+v < %s | FileCheck %s + +define i32 @test(ptr %p) { +; CHECK-LABEL: define i32 @test( +; CHECK-SAME: ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] { +; CHECK-NEXT: entry: +; CHECK-NEXT: [[D_0:%.*]] = load i16, ptr [[P]], align 4 +; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i16> , i16 [[D_0]], i32 1 +; CHECK-NEXT: [[TMP1:%.*]] = or <4 x i16> [[TMP0]], zeroinitializer +; CHECK-NEXT: [[TMP2:%.*]] = and <4 x i16> [[TMP1]], zeroinitializer +; CHECK-NEXT: [[TMP3:%.*]] = sext <4 x i16> [[TMP0]] to <4 x i32> +; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x i32> [[TMP3]], <4 x i32> , <4 x i32> +; CHECK-NEXT: [[TMP5:%.*]] = icmp sgt <4 x i32> [[TMP4]], zeroinitializer +; CHECK-NEXT: [[TMP6:%.*]] = select <4 x i1> [[TMP5]], <4 x i16> [[TMP2]], <4 x i16> +; CHECK-NEXT: [[TMP7:%.*]] = call i16 @llvm.vector.reduce.umax.v4i16(<4 x i16> [[TMP6]]) +; CHECK-NEXT: [[TMP8:%.*]] = zext i16 [[TMP7]] to i32 +; CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.umax.i32(i32 [[TMP8]], i32 1) +; CHECK-NEXT: ret i32 [[TMP9]] +; +entry: + %d.0 = load i16, ptr %p, align 4 + %zext.d.0 = zext i16 %d.0 to i32 + %zero.0 = zext i16 0 to i32 + %zero.1 = zext i16 0 to i32 + %zero.2 = zext i16 0 to i32 + + %or.d.0 = or i32 %zext.d.0, 0 + %or.zero.0 = or i32 %zero.0, 0 + %or.zero.1 = or i32 %zero.1, 0 + %or.zero.2 = or i32 %zero.2, 0 + + %zero.d.0 = and i32 %or.d.0, 0 + %and.zero.0 = and i32 %or.zero.0, 0 + %and.zero.1 = and i32 %or.zero.1, 0 + %and.zero.2 = and i32 %or.zero.2, 0 + + %d.0.gt.0 = icmp sgt i32 %zext.d.0, 0 + %false.0 = icmp sgt i32 0, 0 + %false.1 = icmp sgt i32 0, 0 + %false.2 = icmp sgt i32 0, 0 + + %select.0.2 = select i1 %d.0.gt.0, i32 %zero.d.0, i32 2 + %select.1.0 = select i1 %false.0, i32 %and.zero.0, i32 0 + %select.2.0 = select i1 %false.1, i32 %and.zero.1, i32 0 + %select.3.0 = select i1 %false.2, i32 %and.zero.2, i32 0 + + %max.0 = call i32 @llvm.umax.i32(i32 %select.0.2, i32 %select.1.0) + %max.1 = call i32 @llvm.umax.i32(i32 %max.0, i32 %select.2.0) + %max.2 = call i32 @llvm.umax.i32(i32 %max.1, i32 %select.3.0) + %max.3 = call i32 @llvm.umax.i32(i32 %max.2, i32 1) + + ret i32 %max.3 +} +