llvm-project

d8b17f2f - [GlobalISel] Combine G_UNMERGE_VALUES with anyext and build vector (#112370)

[GlobalISel] Combine G_UNMERGE_VALUES with anyext and build vector (#112370) G_UNMERGE_VALUES (G_ANYEXT (G_BUILD_VECTOR)) ag G_UNMERGE_VALUES llvm/test/CodeGen/AArch64/GlobalISel | grep ANYEXT [ANYEXT] is build vector or shuffle vector Prior art: https://reviews.llvm.org/D87117 https://reviews.llvm.org/D87166 https://reviews.llvm.org/D87174 https://reviews.llvm.org/D87427 ; CHECK-NEXT: [[BUILD_VECTOR2:%[0-9]+]]:_(<8 x s8>) = G_BUILD_VECTOR [[C2]](s8), [[C2]](s8), [[C2]](s8), [[C2]](s8), [[DEF1]](s8), [[DEF1]](s8), [[DEF1]](s8), [[DEF1]](s8) ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(<8 x s16>) = G_ANYEXT [[BUILD_VECTOR2]](<8 x s8>) ; CHECK-NEXT: [[UV10:%[0-9]+]]:_(<4 x s16>), [[UV11:%[0-9]+]]:_(<4 x s16>) = G_UNMERGE_VALUES [[ANYEXT1]](<8 x s16>) Test: llvm/test/CodeGen/AArch64/GlobalISel/combine-unmerge.mir