43 lines
1.5 KiB
LLVM
43 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -slp-vectorizer < %s | FileCheck %s
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define i64 @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: bb1:
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; CHECK-NEXT: br label [[BB3:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: br label [[BB3]]
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; CHECK: bb3:
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; CHECK-NEXT: [[TMP0:%.*]] = phi <2 x i32> [ poison, [[BB2:%.*]] ], [ zeroinitializer, [[BB1:%.*]] ]
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; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x i32> [[TMP0]], <2 x i32> poison, <4 x i32> <i32 0, i32 0, i32 0, i32 1>
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[TMP0]], <2 x i32> poison, <8 x i32> zeroinitializer
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.mul.v8i32(<8 x i32> [[TMP1]])
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; CHECK-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[SHUFFLE]])
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; CHECK-NEXT: [[OP_RDX:%.*]] = mul i32 [[TMP2]], [[TMP3]]
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; CHECK-NEXT: [[TMP65:%.*]] = sext i32 [[OP_RDX]] to i64
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; CHECK-NEXT: ret i64 [[TMP65]]
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;
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bb1:
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br label %bb3
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bb2:
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br label %bb3
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bb3:
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%tmp = phi i32 [ 0, %bb2 ], [ 0, %bb1 ]
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%tmp4 = phi i32 [ 0, %bb2 ], [ 0, %bb1 ]
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%tmp5 = mul i32 %tmp, %tmp4
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%tmp6 = mul i32 %tmp5, %tmp4
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%tmp7 = mul i32 %tmp6, %tmp4
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%tmp8 = mul i32 %tmp7, %tmp4
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%tmp9 = mul i32 %tmp8, %tmp4
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%tmp10 = mul i32 %tmp9, %tmp4
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%tmp11 = mul i32 %tmp10, %tmp4
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%tmp12 = mul i32 %tmp11, %tmp4
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%tmp13 = mul i32 %tmp12, %tmp4
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%tmp14 = mul i32 %tmp13, %tmp4
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%tmp15 = mul i32 %tmp14, %tmp4
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%tmp65 = sext i32 %tmp15 to i64
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ret i64 %tmp65
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}
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