104 lines
4.5 KiB
LLVM
104 lines
4.5 KiB
LLVM
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; REQUIRES: asserts
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; RUN: opt -loop-vectorize -mtriple=arm64-apple-ios %s -S -debug -disable-output 2>&1 | FileCheck --check-prefix=CM %s
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; RUN: opt -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 %s -S | FileCheck --check-prefix=FORCED %s
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; Test case from PR41294.
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; Check scalar cost for extractvalue. The constant and loop invariant operands are free,
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; leaving cost 3 for scalarizing the result + 2 for executing the op with VF 2.
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; CM: LV: Scalar loop costs: 5.
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; CM: LV: Found an estimated cost of 0 for VF 2 For instruction: %a = extractvalue { i64, i64 } %sv, 0
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; CM-NEXT: LV: Found an estimated cost of 0 for VF 2 For instruction: %b = extractvalue { i64, i64 } %sv, 1
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; Check that the extractvalue operands are actually free in vector code.
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; FORCED-LABEL: vector.body: ; preds = %vector.body, %vector.ph
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; FORCED-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
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; FORCED-NEXT: %0 = add i32 %index, 0
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; FORCED-NEXT: %1 = extractvalue { i64, i64 } %sv, 0
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; FORCED-NEXT: %2 = extractvalue { i64, i64 } %sv, 0
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; FORCED-NEXT: %3 = insertelement <2 x i64> poison, i64 %1, i32 0
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; FORCED-NEXT: %4 = insertelement <2 x i64> %3, i64 %2, i32 1
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; FORCED-NEXT: %5 = extractvalue { i64, i64 } %sv, 1
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; FORCED-NEXT: %6 = extractvalue { i64, i64 } %sv, 1
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; FORCED-NEXT: %7 = insertelement <2 x i64> poison, i64 %5, i32 0
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; FORCED-NEXT: %8 = insertelement <2 x i64> %7, i64 %6, i32 1
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; FORCED-NEXT: %9 = getelementptr i64, i64* %dst, i32 %0
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; FORCED-NEXT: %10 = add <2 x i64> %4, %8
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; FORCED-NEXT: %11 = getelementptr i64, i64* %9, i32 0
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; FORCED-NEXT: %12 = bitcast i64* %11 to <2 x i64>*
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; FORCED-NEXT: store <2 x i64> %10, <2 x i64>* %12, align 4
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; FORCED-NEXT: %index.next = add i32 %index, 2
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; FORCED-NEXT: %13 = icmp eq i32 %index.next, 0
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; FORCED-NEXT: br i1 %13, label %middle.block, label %vector.body, !llvm.loop !0
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define void @test1(i64* %dst, {i64, i64} %sv) {
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entry:
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br label %loop.body
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loop.body:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.body ]
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%a = extractvalue { i64, i64 } %sv, 0
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%b = extractvalue { i64, i64 } %sv, 1
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%addr = getelementptr i64, i64* %dst, i32 %iv
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%add = add i64 %a, %b
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store i64 %add, i64* %addr
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%iv.next = add nsw i32 %iv, 1
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%cond = icmp ne i32 %iv.next, 0
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br i1 %cond, label %loop.body, label %exit
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exit:
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ret void
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}
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; Similar to the test case above, but checks getVectorCallCost as well.
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declare float @pow(float, float) readnone nounwind
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; CM: LV: Scalar loop costs: 14.
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; CM: LV: Found an estimated cost of 0 for VF 2 For instruction: %a = extractvalue { float, float } %sv, 0
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; CM-NEXT: LV: Found an estimated cost of 0 for VF 2 For instruction: %b = extractvalue { float, float } %sv, 1
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; FORCED-LABEL: define void @test_getVectorCallCost
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; FORCED-LABEL: vector.body: ; preds = %vector.body, %vector.ph
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; FORCED-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
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; FORCED-NEXT: %0 = add i32 %index, 0
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; FORCED-NEXT: %1 = extractvalue { float, float } %sv, 0
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; FORCED-NEXT: %2 = extractvalue { float, float } %sv, 0
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; FORCED-NEXT: %3 = insertelement <2 x float> poison, float %1, i32 0
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; FORCED-NEXT: %4 = insertelement <2 x float> %3, float %2, i32 1
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; FORCED-NEXT: %5 = extractvalue { float, float } %sv, 1
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; FORCED-NEXT: %6 = extractvalue { float, float } %sv, 1
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; FORCED-NEXT: %7 = insertelement <2 x float> poison, float %5, i32 0
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; FORCED-NEXT: %8 = insertelement <2 x float> %7, float %6, i32 1
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; FORCED-NEXT: %9 = getelementptr float, float* %dst, i32 %0
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; FORCED-NEXT: %10 = call <2 x float> @llvm.pow.v2f32(<2 x float> %4, <2 x float> %8)
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; FORCED-NEXT: %11 = getelementptr float, float* %9, i32 0
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; FORCED-NEXT: %12 = bitcast float* %11 to <2 x float>*
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; FORCED-NEXT: store <2 x float> %10, <2 x float>* %12, align 4
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; FORCED-NEXT: %index.next = add i32 %index, 2
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; FORCED-NEXT: %13 = icmp eq i32 %index.next, 0
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; FORCED-NEXT: br i1 %13, label %middle.block, label %vector.body, !llvm.loop !4
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define void @test_getVectorCallCost(float* %dst, {float, float} %sv) {
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entry:
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br label %loop.body
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loop.body:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.body ]
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%a = extractvalue { float, float } %sv, 0
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%b = extractvalue { float, float } %sv, 1
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%addr = getelementptr float, float* %dst, i32 %iv
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%p = call float @pow(float %a, float %b)
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store float %p, float* %addr
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%iv.next = add nsw i32 %iv, 1
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%cond = icmp ne i32 %iv.next, 0
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br i1 %cond, label %loop.body, label %exit
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exit:
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ret void
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}
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