[llvm] [GlobalIsel][AArch64] more legal icmps (PR #78239)

[Thorsten Schütt via llvm-commits]

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@@ -316,26 +316,14 @@ body:             |
     ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[DEF]](s32)
     ; CHECK-NEXT: [[BUILD_VECTOR1:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[DEF]](s32)
     ; CHECK-NEXT: [[SHUF:%[0-9]+]]:_(<4 x s32>) = G_SHUFFLE_VECTOR [[BUILD_VECTOR]](<4 x s32>), [[BUILD_VECTOR1]], shufflemask(0, 1, 5, 6)
-    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV2:%[0-9]+]]:_(<2 x s32>), [[UV3:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV4:%[0-9]+]]:_(<2 x s32>), [[UV5:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV6:%[0-9]+]]:_(<2 x s32>), [[UV7:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV8:%[0-9]+]]:_(<2 x s32>), [[UV9:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV10:%[0-9]+]]:_(<2 x s32>), [[UV11:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV12:%[0-9]+]]:_(<2 x s32>), [[UV13:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
-    ; CHECK-NEXT: [[UV14:%[0-9]+]]:_(<2 x s32>), [[UV15:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[SHUF]](<4 x s32>)
     ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
-    ; CHECK-NEXT: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[UV]](<2 x s32>), [[UV3]](<2 x s32>)
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tschuett wrote:

improved legalization of `G_EXTRACT_VECTOR_ELT`. 

https://github.com/llvm/llvm-project/pull/78239