[SLP] add test for multiple logical reductions; NFC

More coverage for:
D105730

diff --git a/llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll b/llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
index c911fdc..141ede2 100644 (file)
--- a/llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
+++ b/llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
@@ -211,3 +211,48 @@ define i1 @mixed_logical_icmp(<4 x i32> %x) {
   %s3 = select i1 %s2, i1 %c3, i1 false
   ret i1 %s3
 }
+
+define i1 @logical_and_icmp_clamp(<4 x i32> %x) {
+; CHECK-LABEL: @logical_and_icmp_clamp(
+; CHECK-NEXT:    [[X0:%.*]] = extractelement <4 x i32> [[X:%.*]], i32 0
+; CHECK-NEXT:    [[X1:%.*]] = extractelement <4 x i32> [[X]], i32 1
+; CHECK-NEXT:    [[X2:%.*]] = extractelement <4 x i32> [[X]], i32 2
+; CHECK-NEXT:    [[X3:%.*]] = extractelement <4 x i32> [[X]], i32 3
+; CHECK-NEXT:    [[C0:%.*]] = icmp slt i32 [[X0]], 42
+; CHECK-NEXT:    [[C1:%.*]] = icmp slt i32 [[X1]], 42
+; CHECK-NEXT:    [[C2:%.*]] = icmp slt i32 [[X2]], 42
+; CHECK-NEXT:    [[C3:%.*]] = icmp slt i32 [[X3]], 42
+; CHECK-NEXT:    [[D0:%.*]] = icmp sgt i32 [[X0]], 17
+; CHECK-NEXT:    [[D1:%.*]] = icmp sgt i32 [[X1]], 17
+; CHECK-NEXT:    [[D2:%.*]] = icmp sgt i32 [[X2]], 17
+; CHECK-NEXT:    [[D3:%.*]] = icmp sgt i32 [[X3]], 17
+; CHECK-NEXT:    [[S1:%.*]] = select i1 [[C0]], i1 [[C1]], i1 false
+; CHECK-NEXT:    [[S2:%.*]] = select i1 [[S1]], i1 [[C2]], i1 false
+; CHECK-NEXT:    [[S3:%.*]] = select i1 [[S2]], i1 [[C3]], i1 false
+; CHECK-NEXT:    [[S4:%.*]] = select i1 [[S3]], i1 [[D0]], i1 false
+; CHECK-NEXT:    [[S5:%.*]] = select i1 [[S4]], i1 [[D1]], i1 false
+; CHECK-NEXT:    [[S6:%.*]] = select i1 [[S5]], i1 [[D2]], i1 false
+; CHECK-NEXT:    [[S7:%.*]] = select i1 [[S6]], i1 [[D3]], i1 false
+; CHECK-NEXT:    ret i1 [[S7]]
+;
+  %x0 = extractelement <4 x i32> %x, i32 0
+  %x1 = extractelement <4 x i32> %x, i32 1
+  %x2 = extractelement <4 x i32> %x, i32 2
+  %x3 = extractelement <4 x i32> %x, i32 3
+  %c0 = icmp slt i32 %x0, 42
+  %c1 = icmp slt i32 %x1, 42
+  %c2 = icmp slt i32 %x2, 42
+  %c3 = icmp slt i32 %x3, 42
+  %d0 = icmp sgt i32 %x0, 17
+  %d1 = icmp sgt i32 %x1, 17
+  %d2 = icmp sgt i32 %x2, 17
+  %d3 = icmp sgt i32 %x3, 17
+  %s1 = select i1 %c0, i1 %c1, i1 false
+  %s2 = select i1 %s1, i1 %c2, i1 false
+  %s3 = select i1 %s2, i1 %c3, i1 false
+  %s4 = select i1 %s3, i1 %d0, i1 false
+  %s5 = select i1 %s4, i1 %d1, i1 false
+  %s6 = select i1 %s5, i1 %d2, i1 false
+  %s7 = select i1 %s6, i1 %d3, i1 false
+  ret i1 %s7
+}