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; REQUIRES: asserts
; RUN: opt -loop-vectorize -mtriple=arm64-apple-ios %s -S -debug -disable-output 2>&1 | FileCheck --check-prefix=CM %s
; RUN: opt -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 %s -S | FileCheck --check-prefix=FORCED %s
; Test case from PR41294.
; Check scalar cost for extractvalue. The constant and loop invariant operands are free,
; leaving cost 3 for scalarizing the result + 2 for executing the op with VF 2.
; CM: LV: Found uniform instruction: %a = extractvalue { i64, i64 } %sv, 0
; CM: LV: Found uniform instruction: %b = extractvalue { i64, i64 } %sv, 1
; CM: LV: Scalar loop costs: 5.
; CM: LV: Found an estimated cost of 0 for VF 2 For instruction: %a = extractvalue { i64, i64 } %sv, 0
; CM-NEXT: LV: Found an estimated cost of 0 for VF 2 For instruction: %b = extractvalue { i64, i64 } %sv, 1
; Check that the extractvalue operands are actually free in vector code.
; FORCED-LABEL: vector.body: ; preds = %vector.body, %vector.ph
; FORCED-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
; FORCED-NEXT: %0 = add i32 %index, 0
; FORCED-NEXT: %1 = extractvalue { i64, i64 } %sv, 0
; FORCED-NEXT: %broadcast.splatinsert = insertelement <2 x i64> poison, i64 %1, i32 0
; FORCED-NEXT: %broadcast.splat = shufflevector <2 x i64> %broadcast.splatinsert, <2 x i64> poison, <2 x i32> zeroinitializer
; FORCED-NEXT: %2 = extractvalue { i64, i64 } %sv, 1
; FORCED-NEXT: %broadcast.splatinsert1 = insertelement <2 x i64> poison, i64 %2, i32 0
; FORCED-NEXT: %broadcast.splat2 = shufflevector <2 x i64> %broadcast.splatinsert1, <2 x i64> poison, <2 x i32> zeroinitializer
; FORCED-NEXT: %3 = getelementptr i64, i64* %dst, i32 %0
; FORCED-NEXT: %4 = add <2 x i64> %broadcast.splat, %broadcast.splat2
; FORCED-NEXT: %5 = getelementptr i64, i64* %3, i32 0
; FORCED-NEXT: %6 = bitcast i64* %5 to <2 x i64>*
; FORCED-NEXT: store <2 x i64> %4, <2 x i64>* %6, align 4
; FORCED-NEXT: %index.next = add nuw i32 %index, 2
; FORCED-NEXT: %7 = icmp eq i32 %index.next, 0
; FORCED-NEXT: br i1 %7, label %middle.block, label %vector.body, !llvm.loop !0
define void @test1(i64* %dst, {i64, i64} %sv) {
entry:
br label %loop.body
loop.body:
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.body ]
%a = extractvalue { i64, i64 } %sv, 0
%b = extractvalue { i64, i64 } %sv, 1
%addr = getelementptr i64, i64* %dst, i32 %iv
%add = add i64 %a, %b
store i64 %add, i64* %addr
%iv.next = add nsw i32 %iv, 1
%cond = icmp ne i32 %iv.next, 0
br i1 %cond, label %loop.body, label %exit
exit:
ret void
}
; Similar to the test case above, but checks getVectorCallCost as well.
declare float @pow(float, float) readnone nounwind
; CM: LV: Found uniform instruction: %a = extractvalue { float, float } %sv, 0
; CM: LV: Found uniform instruction: %b = extractvalue { float, float } %sv, 1
; CM: LV: Scalar loop costs: 14.
; CM: LV: Found an estimated cost of 0 for VF 2 For instruction: %a = extractvalue { float, float } %sv, 0
; CM-NEXT: LV: Found an estimated cost of 0 for VF 2 For instruction: %b = extractvalue { float, float } %sv, 1
; FORCED-LABEL: define void @test_getVectorCallCost
; FORCED-LABEL: vector.body: ; preds = %vector.body, %vector.ph
; FORCED-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
; FORCED-NEXT: %0 = add i32 %index, 0
; FORCED-NEXT: %1 = extractvalue { float, float } %sv, 0
; FORCED-NEXT: %broadcast.splatinsert = insertelement <2 x float> poison, float %1, i32 0
; FORCED-NEXT: %broadcast.splat = shufflevector <2 x float> %broadcast.splatinsert, <2 x float> poison, <2 x i32> zeroinitializer
; FORCED-NEXT: %2 = extractvalue { float, float } %sv, 1
; FORCED-NEXT: %broadcast.splatinsert1 = insertelement <2 x float> poison, float %2, i32 0
; FORCED-NEXT: %broadcast.splat2 = shufflevector <2 x float> %broadcast.splatinsert1, <2 x float> poison, <2 x i32> zeroinitializer
; FORCED-NEXT: %3 = getelementptr float, float* %dst, i32 %0
; FORCED-NEXT: %4 = call <2 x float> @llvm.pow.v2f32(<2 x float> %broadcast.splat, <2 x float> %broadcast.splat2)
; FORCED-NEXT: %5 = getelementptr float, float* %3, i32 0
; FORCED-NEXT: %6 = bitcast float* %5 to <2 x float>*
; FORCED-NEXT: store <2 x float> %4, <2 x float>* %6, align 4
; FORCED-NEXT: %index.next = add nuw i32 %index, 2
; FORCED-NEXT: %7 = icmp eq i32 %index.next, 0
; FORCED-NEXT: br i1 %7, label %middle.block, label %vector.body, !llvm.loop !4
define void @test_getVectorCallCost(float* %dst, {float, float} %sv) {
entry:
br label %loop.body
loop.body:
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.body ]
%a = extractvalue { float, float } %sv, 0
%b = extractvalue { float, float } %sv, 1
%addr = getelementptr float, float* %dst, i32 %iv
%p = call float @pow(float %a, float %b)
store float %p, float* %addr
%iv.next = add nsw i32 %iv, 1
%cond = icmp ne i32 %iv.next, 0
br i1 %cond, label %loop.body, label %exit
exit:
ret void
}
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