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Differential D135147 Diff 465666 llvm/test/CodeGen/AArch64/GlobalISel/combine-extract-vec-elt.mir

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llvm/test/CodeGen/AArch64/GlobalISel/combine-extract-vec-elt.mir

Show All 25 Lines bb.0:
%zero:_(s32) = G_CONSTANT i32 0 %zero:_(s32) = G_CONSTANT i32 0
%bv:_(<2 x s64>) = G_BUILD_VECTOR %arg1(s64), %arg2(s64) %bv:_(<2 x s64>) = G_BUILD_VECTOR %arg1(s64), %arg2(s64)
%extract:_(s64) = G_EXTRACT_VECTOR_ELT %bv(<2 x s64>), %zero(s32) %extract:_(s64) = G_EXTRACT_VECTOR_ELT %bv(<2 x s64>), %zero(s32)
$x0 = COPY %extract(s64) $x0 = COPY %extract(s64)
RET_ReallyLR implicit $x0 RET_ReallyLR implicit $x0
... ...
--- ---
name: extract_from_trunc_build_vector
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$x1' }
frameInfo:
maxAlignment: 1
maxCallFrameSize: 0
machineFunctionInfo: {}
body: |
bb.0:
liveins: $x0, $x1
; CHECK-LABEL: name: extract_from_trunc_build_vector
; CHECK: liveins: $x0, $x1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %arg1:_(s64) = COPY $x0
; CHECK-NEXT: %extract:_(s32) = G_TRUNC %arg1(s64)
; CHECK-NEXT: %zext:_(s64) = G_ZEXT %extract(s32)
; CHECK-NEXT: $x0 = COPY %zext(s64)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%arg1:_(s64) = COPY $x0
%arg2:_(s64) = COPY $x1
%zero:_(s32) = G_CONSTANT i32 0
%bv:_(<2 x s64>) = G_BUILD_VECTOR %arg1(s64), %arg2(s64)
%truncbv:_(<2 x s32>) = G_TRUNC %bv
%extract:_(s32) = G_EXTRACT_VECTOR_ELT %truncbv(<2 x s32>), %zero(s32)
%zext:_(s64) = G_ZEXT %extract
$x0 = COPY %zext(s64)
RET_ReallyLR implicit $x0
...
---
name: extract_from_build_vector_idx1 name: extract_from_build_vector_idx1
alignment: 4 alignment: 4
tracksRegLiveness: true tracksRegLiveness: true
liveins: liveins:
- { reg: '$x0' } - { reg: '$x0' }
- { reg: '$x1' } - { reg: '$x1' }
frameInfo: frameInfo:
maxAlignment: 1 maxAlignment: 1
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