[SLP][NFC]Add a test with the incorrect casting of freeze instruction…

… operands, NFC
llvm · Oct 18, 2024 · 4c4b93d · 4c4b93d
1 parent 7437f3e
commit 4c4b93d
Showing 1 changed file with 66 additions and 0 deletions.
diff --git a/llvm/test/Transforms/SLPVectorizer/freeze-signedness-missed.ll b/llvm/test/Transforms/SLPVectorizer/freeze-signedness-missed.ll
@@ -0,0 +1,66 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S --passes=slp-vectorizer < %s | FileCheck %s
+
+define i32 @test(i1 %.b, i8 %conv18, i32 %k.promoted61) {
+; CHECK-LABEL: define i32 @test(
+; CHECK-SAME: i1 [[DOTB:%.*]], i8 [[CONV18:%.*]], i32 [[K_PROMOTED61:%.*]]) {
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <4 x i1> poison, i1 [[DOTB]], i32 0
+; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <4 x i1> [[TMP1]], <4 x i1> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT:    [[TMP3:%.*]] = xor <4 x i1> [[TMP2]], <i1 true, i1 true, i1 true, i1 true>
+; CHECK-NEXT:    [[TMP4:%.*]] = zext <4 x i1> [[TMP3]] to <4 x i8>
+; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq <4 x i8> [[TMP4]], zeroinitializer
+; CHECK-NEXT:    [[TMP6:%.*]] = freeze <4 x i1> [[TMP3]]
+; CHECK-NEXT:    [[TMP7:%.*]] = sext <4 x i1> [[TMP6]] to <4 x i8>
+; CHECK-NEXT:    [[TMP8:%.*]] = insertelement <4 x i8> poison, i8 [[CONV18]], i32 0
+; CHECK-NEXT:    [[TMP9:%.*]] = shufflevector <4 x i8> [[TMP8]], <4 x i8> poison, <4 x i32> zeroinitializer
+; CHECK-NEXT:    [[TMP10:%.*]] = icmp ugt <4 x i8> [[TMP7]], [[TMP9]]
+; CHECK-NEXT:    [[TMP11:%.*]] = select <4 x i1> [[TMP10]], <4 x i8> zeroinitializer, <4 x i8> [[TMP7]]
+; CHECK-NEXT:    [[TMP12:%.*]] = sub nuw <4 x i8> [[TMP9]], [[TMP11]]
+; CHECK-NEXT:    [[TMP13:%.*]] = select <4 x i1> [[TMP5]], <4 x i8> [[TMP9]], <4 x i8> [[TMP12]]
+; CHECK-NEXT:    [[TMP14:%.*]] = zext <4 x i8> [[TMP13]] to <4 x i32>
+; CHECK-NEXT:    [[TMP15:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[TMP14]])
+; CHECK-NEXT:    [[OP_RDX:%.*]] = or i32 [[TMP15]], [[K_PROMOTED61]]
+; CHECK-NEXT:    ret i32 [[OP_RDX]]
+;
+  %not..b79 = xor i1 %.b, true
+  %3 = zext i1 %not..b79 to i8
+  %cmp.i51 = icmp eq i8 %3, 0
+  %cond.i55 = freeze i8 %3
+  %.cmp = icmp ugt i8 %cond.i55, %conv18
+  %.urem = select i1 %.cmp, i8 0, i8 %cond.i55
+  %4 = sub nuw i8 %conv18, %.urem
+  %cond.in.i = select i1 %cmp.i51, i8 %conv18, i8 %4
+  %not..b80 = xor i1 %.b, true
+  %5 = zext i1 %not..b80 to i8
+  %cmp.i51.1 = icmp eq i8 %5, 0
+  %cond.i55.1 = freeze i8 %5
+  %.cmp.1 = icmp ugt i8 %cond.i55.1, %conv18
+  %.urem.1 = select i1 %.cmp.1, i8 0, i8 %cond.i55.1
+  %6 = sub nuw i8 %conv18, %.urem.1
+  %cond.in.i.1 = select i1 %cmp.i51.1, i8 %conv18, i8 %6
+  %not..b81 = xor i1 %.b, true
+  %7 = zext i1 %not..b81 to i8
+  %cmp.i51.2 = icmp eq i8 %7, 0
+  %cond.i55.2 = freeze i8 %7
+  %.cmp.2 = icmp ugt i8 %cond.i55.2, %conv18
+  %.urem.2 = select i1 %.cmp.2, i8 0, i8 %cond.i55.2
+  %8 = sub nuw i8 %conv18, %.urem.2
+  %cond.in.i.2 = select i1 %cmp.i51.2, i8 %conv18, i8 %8
+  %not..b = xor i1 %.b, true
+  %9 = zext i1 %not..b to i8
+  %cmp.i51.3 = icmp eq i8 %9, 0
+  %cond.i55.3 = freeze i8 %9
+  %.cmp.3 = icmp ugt i8 %cond.i55.3, %conv18
+  %.urem.3 = select i1 %.cmp.3, i8 0, i8 %cond.i55.3
+  %10 = sub nuw i8 %conv18, %.urem.3
+  %cond.in.i.3 = select i1 %cmp.i51.3, i8 %conv18, i8 %10
+  %conv26 = zext nneg i8 %cond.in.i to i32
+  %or = or i32 %k.promoted61, %conv26
+  %conv26.1 = zext nneg i8 %cond.in.i.1 to i32
+  %or.1 = or i32 %or, %conv26.1
+  %conv26.2 = zext nneg i8 %cond.in.i.2 to i32
+  %or.2 = or i32 %or.1, %conv26.2
+  %conv26.3 = zext nneg i8 %cond.in.i.3 to i32
+  %or.3 = or i32 %or.2, %conv26.3
+  ret i32 %or.3
+}