[llvm] b62c81b - [VectorCombine] add test with non-canonical shuffle mask; NFC

[Sanjay Patel via llvm-commits]

Author: Sanjay Patel
Date: 2022-11-07T12:07:37-05:00
New Revision: b62c81b836512a5d38717f47d18ef5ddf32c3e2a

URL: https://github.com/llvm/llvm-project/commit/b62c81b836512a5d38717f47d18ef5ddf32c3e2a
DIFF: https://github.com/llvm/llvm-project/commit/b62c81b836512a5d38717f47d18ef5ddf32c3e2a.diff

LOG: [VectorCombine] add test with non-canonical shuffle mask; NFC

D137341

Added: 
    

Modified: 
    llvm/test/Transforms/VectorCombine/X86/load-widening.ll

Removed: 
    


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diff  --git a/llvm/test/Transforms/VectorCombine/X86/load-widening.ll b/llvm/test/Transforms/VectorCombine/X86/load-widening.ll
index 384c6fa474a00..40f610d3343c6 100644
--- a/llvm/test/Transforms/VectorCombine/X86/load-widening.ll
+++ b/llvm/test/Transforms/VectorCombine/X86/load-widening.ll
@@ -339,3 +339,14 @@ define <4 x i32> @load_v2i32_v4i32_non_canonical_mask(ptr dereferenceable(16) %p
   %s = shufflevector <2 x i32> %l, <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 undef>
   ret <4 x i32> %s
 }
+
+define <4 x i32> @load_v2i32_v4i32_non_canonical_mask_commute(ptr dereferenceable(16) %p) {
+; CHECK-LABEL: @load_v2i32_v4i32_non_canonical_mask_commute(
+; CHECK-NEXT:    [[L:%.*]] = load <2 x i32>, ptr [[P:%.*]], align 1
+; CHECK-NEXT:    [[S:%.*]] = shufflevector <2 x i32> poison, <2 x i32> [[L]], <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
+; CHECK-NEXT:    ret <4 x i32> [[S]]
+;
+  %l = load <2 x i32>, ptr %p, align 1
+  %s = shufflevector <2 x i32> poison, <2 x i32> %l, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
+  ret <4 x i32> %s
+}