365 lines
11 KiB
Text
365 lines
11 KiB
Text
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
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...
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---
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name: simplify_to_x
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; (x + y) - y -> x
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; CHECK-LABEL: name: simplify_to_x
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(s32) = COPY $w0
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; CHECK-NEXT: $w0 = COPY %x(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x, %y
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%sub:_(s32) = G_SUB %add, %y
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_y
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; (x + y) - x -> y
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; CHECK-LABEL: name: simplify_to_y
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %y:_(s32) = COPY $w1
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; CHECK-NEXT: $w0 = COPY %y(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x, %y
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%sub:_(s32) = G_SUB %add, %x
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_constant_x
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; (x + 1) - 1 -> x
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; CHECK-LABEL: name: simplify_to_constant_x
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(s32) = COPY $w0
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; CHECK-NEXT: $w0 = COPY %x(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y1:_(s32) = G_CONSTANT i32 1
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%y2:_(s32) = G_CONSTANT i32 1
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%add:_(s32) = G_ADD %x, %y1
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%sub:_(s32) = G_SUB %add, %y2
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_constant_y
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; (x + y) - x -> y
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; CHECK-LABEL: name: simplify_to_constant_y
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %y:_(s32) = COPY $w1
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; CHECK-NEXT: $w0 = COPY %y(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x1:_(s32) = G_CONSTANT i32 1
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%x2:_(s32) = G_CONSTANT i32 1
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x1, %y
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%sub:_(s32) = G_SUB %add, %x2
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: vector_simplify_to_x
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $d0, $d1
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; (x + y) - y -> x
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; CHECK-LABEL: name: vector_simplify_to_x
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; CHECK: liveins: $d0, $d1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(<2 x s32>) = COPY $d0
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; CHECK-NEXT: $d0 = COPY %x(<2 x s32>)
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; CHECK-NEXT: RET_ReallyLR implicit $d0
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%x:_(<2 x s32>) = COPY $d0
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%y:_(<2 x s32>) = COPY $d1
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%add:_(<2 x s32>) = G_ADD %x, %y
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%sub:_(<2 x s32>) = G_SUB %add, %y
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$d0 = COPY %sub(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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---
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name: splat_simplify_to_x
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $d0, $d1
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; (x + 1) - 1 -> x
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; CHECK-LABEL: name: splat_simplify_to_x
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; CHECK: liveins: $d0, $d1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(<2 x s32>) = COPY $d0
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; CHECK-NEXT: $d0 = COPY %x(<2 x s32>)
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; CHECK-NEXT: RET_ReallyLR implicit $d0
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%x:_(<2 x s32>) = COPY $d0
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%cst:_(s32) = G_CONSTANT i32 1
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%y1:_(<2 x s32>) = G_BUILD_VECTOR %cst, %cst
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%y2:_(<2 x s32>) = G_BUILD_VECTOR %cst, %cst
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%add:_(<2 x s32>) = G_ADD %x, %y1
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%sub:_(<2 x s32>) = G_SUB %add, %y2
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$d0 = COPY %sub(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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---
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name: unique_registers_no_fold
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1, $w2
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; CHECK-LABEL: name: unique_registers_no_fold
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; CHECK: liveins: $w0, $w1, $w2
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(s32) = COPY $w0
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; CHECK-NEXT: %y:_(s32) = COPY $w1
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; CHECK-NEXT: %z:_(s32) = COPY $w2
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; CHECK-NEXT: %add:_(s32) = G_ADD %y, %x
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; CHECK-NEXT: %sub:_(s32) = G_SUB %add, %z
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; CHECK-NEXT: $w0 = COPY %sub(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y:_(s32) = COPY $w1
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%z:_(s32) = COPY $w2
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%add:_(s32) = G_ADD %y, %x
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%sub:_(s32) = G_SUB %add, %z
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: unique_constants_no_fold
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; (x + y) - x -> y
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; CHECK-LABEL: name: unique_constants_no_fold
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x1:_(s32) = G_CONSTANT i32 1
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; CHECK-NEXT: %x2:_(s32) = G_CONSTANT i32 2
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; CHECK-NEXT: %y:_(s32) = COPY $w1
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; CHECK-NEXT: %add:_(s32) = G_ADD %y, %x1
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; CHECK-NEXT: %sub:_(s32) = G_SUB %add, %x2
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; CHECK-NEXT: $w0 = COPY %sub(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x1:_(s32) = G_CONSTANT i32 1
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%x2:_(s32) = G_CONSTANT i32 2
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x1, %y
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%sub:_(s32) = G_SUB %add, %x2
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_neg_y
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; x - (y + x) -> 0 - y
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; CHECK-LABEL: name: simplify_to_neg_y
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %y:_(s32) = COPY $w1
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: %sub:_(s32) = G_SUB [[C]], %y
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; CHECK-NEXT: $w0 = COPY %sub(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x, %y
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%sub:_(s32) = G_SUB %x, %add
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_neg_x
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; y - (y + x) -> 0 - x
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; CHECK-LABEL: name: simplify_to_neg_x
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(s32) = COPY $w0
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: %sub:_(s32) = G_SUB [[C]], %x
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; CHECK-NEXT: $w0 = COPY %sub(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x, %y
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%sub:_(s32) = G_SUB %y, %add
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_neg_y_constant
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; x - (y + x) -> 0 - y
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; CHECK-LABEL: name: simplify_to_neg_y_constant
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %y:_(s32) = COPY $w1
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: %sub:_(s32) = G_SUB [[C]], %y
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; CHECK-NEXT: $w0 = COPY %sub(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x1:_(s32) = G_CONSTANT i32 1
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%x2:_(s32) = G_CONSTANT i32 1
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%y:_(s32) = COPY $w1
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%add:_(s32) = G_ADD %x1, %y
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%sub:_(s32) = G_SUB %x2, %add
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: simplify_to_neg_x_constant
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $w1
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; y - (y + x) -> 0 - x
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; CHECK-LABEL: name: simplify_to_neg_x_constant
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; CHECK: liveins: $w0, $w1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(s32) = COPY $w0
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: %sub:_(s32) = G_SUB [[C]], %x
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; CHECK-NEXT: $w0 = COPY %sub(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%x:_(s32) = COPY $w0
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%y1:_(s32) = G_CONSTANT i32 1
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%y2:_(s32) = G_CONSTANT i32 1
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%add:_(s32) = G_ADD %x, %y1
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%sub:_(s32) = G_SUB %y2, %add
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$w0 = COPY %sub(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: vector_simplify_to_neg_x
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $d0, $d1
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; y - (y + x) -> 0 - x
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; CHECK-LABEL: name: vector_simplify_to_neg_x
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; CHECK: liveins: $d0, $d1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %x:_(<2 x s32>) = COPY $d0
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
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; CHECK-NEXT: %sub:_(<2 x s32>) = G_SUB [[BUILD_VECTOR]], %x
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; CHECK-NEXT: $d0 = COPY %sub(<2 x s32>)
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; CHECK-NEXT: RET_ReallyLR implicit $d0
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%x:_(<2 x s32>) = COPY $d0
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%y:_(<2 x s32>) = COPY $d1
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%add:_(<2 x s32>) = G_ADD %x, %y
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%sub:_(<2 x s32>) = G_SUB %y, %add
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$d0 = COPY %sub(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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---
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name: vector_simplify_to_neg_y_constant
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $d0, $d1
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; x - (y + x) -> 0 - y
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; CHECK-LABEL: name: vector_simplify_to_neg_y_constant
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; CHECK: liveins: $d0, $d1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %y:_(<2 x s32>) = COPY $d1
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
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; CHECK-NEXT: %sub:_(<2 x s32>) = G_SUB [[BUILD_VECTOR]], %y
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; CHECK-NEXT: $d0 = COPY %sub(<2 x s32>)
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; CHECK-NEXT: RET_ReallyLR implicit $d0
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%cst:_(s32) = G_CONSTANT i32 1
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%x1:_(<2 x s32>) = G_BUILD_VECTOR %cst, %cst
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%x2:_(<2 x s32>) = G_BUILD_VECTOR %cst, %cst
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%y:_(<2 x s32>) = COPY $d1
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%add:_(<2 x s32>) = G_ADD %x1, %y
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%sub:_(<2 x s32>) = G_SUB %x2, %add
|
||
|
|
$d0 = COPY %sub(<2 x s32>)
|
||
|
|
RET_ReallyLR implicit $d0
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: unique_registers_neg_no_fold
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1, $w2
|
||
|
|
; y - (y + x) -> 0 - x
|
||
|
|
; CHECK-LABEL: name: unique_registers_neg_no_fold
|
||
|
|
; CHECK: liveins: $w0, $w1, $w2
|
||
|
|
; CHECK-NEXT: {{ $}}
|
||
|
|
; CHECK-NEXT: %x:_(s32) = COPY $w0
|
||
|
|
; CHECK-NEXT: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK-NEXT: %z:_(s32) = COPY $w2
|
||
|
|
; CHECK-NEXT: %add:_(s32) = G_ADD %x, %y
|
||
|
|
; CHECK-NEXT: %sub:_(s32) = G_SUB %z, %add
|
||
|
|
; CHECK-NEXT: $w0 = COPY %sub(s32)
|
||
|
|
; CHECK-NEXT: RET_ReallyLR implicit $w0
|
||
|
|
%x:_(s32) = COPY $w0
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%z:_(s32) = COPY $w2
|
||
|
|
%add:_(s32) = G_ADD %x, %y
|
||
|
|
%sub:_(s32) = G_SUB %z, %add
|
||
|
|
$w0 = COPY %sub(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: wrong_constant_neg_no_fold
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
liveins: $w0, $w1
|
||
|
|
; x - (y + x) -> 0 - y
|
||
|
|
; CHECK-LABEL: name: wrong_constant_neg_no_fold
|
||
|
|
; CHECK: liveins: $w0, $w1
|
||
|
|
; CHECK-NEXT: {{ $}}
|
||
|
|
; CHECK-NEXT: %x1:_(s32) = G_CONSTANT i32 1
|
||
|
|
; CHECK-NEXT: %x2:_(s32) = G_CONSTANT i32 2
|
||
|
|
; CHECK-NEXT: %y:_(s32) = COPY $w1
|
||
|
|
; CHECK-NEXT: %add:_(s32) = G_ADD %y, %x1
|
||
|
|
; CHECK-NEXT: %sub:_(s32) = G_SUB %x2, %add
|
||
|
|
; CHECK-NEXT: $w0 = COPY %sub(s32)
|
||
|
|
; CHECK-NEXT: RET_ReallyLR implicit $w0
|
||
|
|
%x1:_(s32) = G_CONSTANT i32 1
|
||
|
|
%x2:_(s32) = G_CONSTANT i32 2
|
||
|
|
%y:_(s32) = COPY $w1
|
||
|
|
%add:_(s32) = G_ADD %x1, %y
|
||
|
|
%sub:_(s32) = G_SUB %x2, %add
|
||
|
|
$w0 = COPY %sub(s32)
|
||
|
|
RET_ReallyLR implicit $w0
|