[llvm] 1f3d238 - [SLP][NFC]Add a test for vectorization of cmps with alternate

[Alexey Bataev via llvm-commits]

Author: Alexey Bataev
Date: 2023-06-27T13:57:51-07:00
New Revision: 1f3d23845f13ce545d002d1fd2cf9657e0609749

URL: https://github.com/llvm/llvm-project/commit/1f3d23845f13ce545d002d1fd2cf9657e0609749
DIFF: https://github.com/llvm/llvm-project/commit/1f3d23845f13ce545d002d1fd2cf9657e0609749.diff

LOG: [SLP][NFC]Add a test for vectorization of cmps with alternate
predicates, NFC.

Added: 
    llvm/test/Transforms/SLPVectorizer/X86/alternate-cmp-swapped-pred-parent.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/SLPVectorizer/X86/alternate-cmp-swapped-pred-parent.ll b/llvm/test/Transforms/SLPVectorizer/X86/alternate-cmp-swapped-pred-parent.ll
new file mode 100644
index 0000000000000..1e11a01f9774f
--- /dev/null
+++ b/llvm/test/Transforms/SLPVectorizer/X86/alternate-cmp-swapped-pred-parent.ll
@@ -0,0 +1,64 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -mtriple=x86_64-unknown -passes=slp-vectorizer -S -slp-threshold=-1000 | FileCheck %s
+
+define void @test() {
+; CHECK-LABEL: @test(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CALL37:%.*]] = load i16, ptr poison, align 2
+; CHECK-NEXT:    br label [[BB:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[CALL:%.*]] = load i16, ptr poison, align 2
+; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <8 x i16> <i16 0, i16 0, i16 0, i16 poison, i16 poison, i16 0, i16 poison, i16 poison>, i16 [[CALL37]], i32 3
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <8 x i16> [[TMP0]], i16 [[CALL]], i32 7
+; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <8 x i16> [[TMP1]], <8 x i16> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 3, i32 5, i32 3, i32 7>
+; CHECK-NEXT:    [[TMP3:%.*]] = shufflevector <8 x i16> [[TMP1]], <8 x i16> <i16 0, i16 0, i16 0, i16 0, i16 0, i16 poison, i16 poison, i16 0>, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 3, i32 7, i32 15>
+; CHECK-NEXT:    [[TMP4:%.*]] = icmp slt <8 x i16> [[TMP2]], [[TMP3]]
+; CHECK-NEXT:    ret void
+;
+entry:
+  %call37 = load i16, ptr poison, align 2
+  br label %bb
+
+bb:
+  %call = load i16, ptr poison, align 2
+  %0 = icmp slt i16 %call, 0
+  %1 = icmp slt i16 %call37, %call
+  %.not = icmp sgt i16 0, %call37
+  %2 = icmp sgt i16 %call37, 0
+  %3 = icmp slt i16 0, 0
+  %.not206 = icmp sgt i16 0, %call37
+  %4 = icmp sgt i16 0, 0
+  %5 = icmp slt i16 0, 0
+  ret void
+}
+
+define void @test1() {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CALL:%.*]] = load i16, ptr poison, align 2
+; CHECK-NEXT:    br label [[BB:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[CALL37:%.*]] = load i16, ptr poison, align 2
+; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <8 x i16> <i16 0, i16 0, i16 0, i16 poison, i16 poison, i16 0, i16 poison, i16 poison>, i16 [[CALL37]], i32 3
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <8 x i16> [[TMP0]], i16 [[CALL]], i32 7
+; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <8 x i16> [[TMP1]], <8 x i16> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 3, i32 5, i32 3, i32 7>
+; CHECK-NEXT:    [[TMP3:%.*]] = shufflevector <8 x i16> [[TMP1]], <8 x i16> <i16 0, i16 0, i16 0, i16 0, i16 0, i16 poison, i16 poison, i16 0>, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 3, i32 7, i32 15>
+; CHECK-NEXT:    [[TMP4:%.*]] = icmp slt <8 x i16> [[TMP2]], [[TMP3]]
+; CHECK-NEXT:    ret void
+;
+entry:
+  %call = load i16, ptr poison, align 2
+  br label %bb
+
+bb:
+  %call37 = load i16, ptr poison, align 2
+  %0 = icmp slt i16 %call, 0
+  %1 = icmp slt i16 %call37, %call
+  %.not = icmp sgt i16 0, %call37
+  %2 = icmp sgt i16 %call37, 0
+  %3 = icmp slt i16 0, 0
+  %.not206 = icmp sgt i16 0, %call37
+  %4 = icmp sgt i16 0, 0
+  %5 = icmp slt i16 0, 0
+  ret void
+}