[llvm] r374090 - [SLP] add test with prefer-vector-width function attribute; NFC (PR43578)
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Tue Oct 8 10:18:32 PDT 2019
Author: spatel
Date: Tue Oct 8 10:18:32 2019
New Revision: 374090
URL: http://llvm.org/viewvc/llvm-project?rev=374090&view=rev
Log:
[SLP] add test with prefer-vector-width function attribute; NFC (PR43578)
Modified:
llvm/trunk/test/Transforms/SLPVectorizer/X86/load-merge.ll
Modified: llvm/trunk/test/Transforms/SLPVectorizer/X86/load-merge.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SLPVectorizer/X86/load-merge.ll?rev=374090&r1=374089&r2=374090&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/SLPVectorizer/X86/load-merge.ll (original)
+++ llvm/trunk/test/Transforms/SLPVectorizer/X86/load-merge.ll Tue Oct 8 10:18:32 2019
@@ -142,3 +142,62 @@ define <4 x float> @PR16739_byval(<4 x f
%t15 = insertelement <4 x float> %t14, float %t13, i32 3
ret <4 x float> %t15
}
+
+define void @PR43578_prefer128(i32* %r, i64* %p, i64* %q) #0 {
+; CHECK-LABEL: @PR43578_prefer128(
+; CHECK-NEXT: [[P0:%.*]] = getelementptr inbounds i64, i64* [[P:%.*]], i64 0
+; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 1
+; CHECK-NEXT: [[P2:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 2
+; CHECK-NEXT: [[P3:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 3
+; CHECK-NEXT: [[Q0:%.*]] = getelementptr inbounds i64, i64* [[Q:%.*]], i64 0
+; CHECK-NEXT: [[Q1:%.*]] = getelementptr inbounds i64, i64* [[Q]], i64 1
+; CHECK-NEXT: [[Q2:%.*]] = getelementptr inbounds i64, i64* [[Q]], i64 2
+; CHECK-NEXT: [[Q3:%.*]] = getelementptr inbounds i64, i64* [[Q]], i64 3
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[P0]] to <4 x i64>*
+; CHECK-NEXT: [[TMP2:%.*]] = load <4 x i64>, <4 x i64>* [[TMP1]], align 2
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64* [[Q0]] to <4 x i64>*
+; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i64>, <4 x i64>* [[TMP3]], align 2
+; CHECK-NEXT: [[TMP5:%.*]] = sub nsw <4 x i64> [[TMP2]], [[TMP4]]
+; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i64> [[TMP5]], i32 0
+; CHECK-NEXT: [[G0:%.*]] = getelementptr inbounds i32, i32* [[R:%.*]], i64 [[TMP6]]
+; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x i64> [[TMP5]], i32 1
+; CHECK-NEXT: [[G1:%.*]] = getelementptr inbounds i32, i32* [[R]], i64 [[TMP7]]
+; CHECK-NEXT: [[TMP8:%.*]] = extractelement <4 x i64> [[TMP5]], i32 2
+; CHECK-NEXT: [[G2:%.*]] = getelementptr inbounds i32, i32* [[R]], i64 [[TMP8]]
+; CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x i64> [[TMP5]], i32 3
+; CHECK-NEXT: [[G3:%.*]] = getelementptr inbounds i32, i32* [[R]], i64 [[TMP9]]
+; CHECK-NEXT: ret void
+;
+ %p0 = getelementptr inbounds i64, i64* %p, i64 0
+ %p1 = getelementptr inbounds i64, i64* %p, i64 1
+ %p2 = getelementptr inbounds i64, i64* %p, i64 2
+ %p3 = getelementptr inbounds i64, i64* %p, i64 3
+
+ %q0 = getelementptr inbounds i64, i64* %q, i64 0
+ %q1 = getelementptr inbounds i64, i64* %q, i64 1
+ %q2 = getelementptr inbounds i64, i64* %q, i64 2
+ %q3 = getelementptr inbounds i64, i64* %q, i64 3
+
+ %x0 = load i64, i64* %p0, align 2
+ %x1 = load i64, i64* %p1, align 2
+ %x2 = load i64, i64* %p2, align 2
+ %x3 = load i64, i64* %p3, align 2
+
+ %y0 = load i64, i64* %q0, align 2
+ %y1 = load i64, i64* %q1, align 2
+ %y2 = load i64, i64* %q2, align 2
+ %y3 = load i64, i64* %q3, align 2
+
+ %sub0 = sub nsw i64 %x0, %y0
+ %sub1 = sub nsw i64 %x1, %y1
+ %sub2 = sub nsw i64 %x2, %y2
+ %sub3 = sub nsw i64 %x3, %y3
+
+ %g0 = getelementptr inbounds i32, i32* %r, i64 %sub0
+ %g1 = getelementptr inbounds i32, i32* %r, i64 %sub1
+ %g2 = getelementptr inbounds i32, i32* %r, i64 %sub2
+ %g3 = getelementptr inbounds i32, i32* %r, i64 %sub3
+ ret void
+}
+
+attributes #0 = { "prefer-vector-width"="128" }
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