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312b2e1b99
This is a patch that updates the cost of `select i1 a, b, false` to be equivalent to that of `and i1 a, b` as well as the cost of `select i1 a, true, b` equivalent to `or i1 a, b`. Until now, these selects were folded into and/or i1 by InstCombine, but the transformation is poison-unsafe. This is a step towards removing the unsafe transformation. D93065 has relevant transformations linked. These selects should be translated into the assemblies as and/or i1 do in the same manner. The cost should be equivalent. Reviewed By: spatel Differential Revision: https://reviews.llvm.org/D97360
141 lines
12 KiB
LLVM
141 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s -cost-model -analyze -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve.fp | FileCheck %s --check-prefix=CHECK-MVE-RECIP
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; RUN: opt < %s -cost-model -analyze -mtriple=thumbv7-apple-ios6.0.0 -mcpu=swift | FileCheck %s --check-prefix=CHECK-NEON-RECIP
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; RUN: opt < %s -cost-model -analyze -mtriple=thumbv8m.base | FileCheck %s --check-prefix=CHECK-THUMB1-RECIP
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; RUN: opt < %s -cost-model -analyze -mtriple=thumbv8m.main | FileCheck %s --check-prefix=CHECK-THUMB2-RECIP
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; RUN: opt < %s -cost-model -analyze -cost-kind=code-size -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve.fp | FileCheck %s --check-prefix=CHECK-MVE-SIZE
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; RUN: opt < %s -cost-model -analyze -cost-kind=code-size -mtriple=thumbv7-apple-ios6.0.0 -mcpu=swift | FileCheck %s --check-prefix=CHECK-NEON-SIZE
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; RUN: opt < %s -cost-model -analyze -cost-kind=code-size -mtriple=thumbv8m.base | FileCheck %s --check-prefix=CHECK-THUMB1-SIZE
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; RUN: opt < %s -cost-model -analyze -cost-kind=code-size -mtriple=thumbv8m.main | FileCheck %s --check-prefix=CHECK-THUMB2-SIZE
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define void @op() {
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; Logical and/or - select's cost must be equivalent to that of binop
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; CHECK-MVE-RECIP-LABEL: 'op'
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and i1 undef, undef
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or i1 undef, undef
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
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;
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; CHECK-NEON-RECIP-LABEL: 'op'
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and i1 undef, undef
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or i1 undef, undef
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
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;
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; CHECK-THUMB1-RECIP-LABEL: 'op'
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and i1 undef, undef
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or i1 undef, undef
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-THUMB2-RECIP-LABEL: 'op'
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and i1 undef, undef
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or i1 undef, undef
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-MVE-SIZE-LABEL: 'op'
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %band = and i1 undef, undef
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %bor = or i1 undef, undef
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-NEON-SIZE-LABEL: 'op'
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %band = and i1 undef, undef
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %bor = or i1 undef, undef
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-THUMB1-SIZE-LABEL: 'op'
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %band = and i1 undef, undef
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %bor = or i1 undef, undef
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-THUMB2-SIZE-LABEL: 'op'
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sand = select i1 undef, i1 undef, i1 false
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %band = and i1 undef, undef
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %sor = select i1 undef, i1 true, i1 undef
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %bor = or i1 undef, undef
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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%sand = select i1 undef, i1 undef, i1 false
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%band = and i1 undef, undef
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%sor = select i1 undef, i1 true, i1 undef
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%bor = or i1 undef, undef
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ret void
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}
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define void @vecop() {
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; CHECK-MVE-RECIP-LABEL: 'vecop'
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-MVE-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
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;
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; CHECK-NEON-RECIP-LABEL: 'vecop'
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret void
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;
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; CHECK-THUMB1-RECIP-LABEL: 'vecop'
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-THUMB1-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-THUMB2-RECIP-LABEL: 'vecop'
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-THUMB2-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-MVE-SIZE-LABEL: 'vecop'
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-MVE-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-NEON-SIZE-LABEL: 'vecop'
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-NEON-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-THUMB1-SIZE-LABEL: 'vecop'
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-THUMB1-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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; CHECK-THUMB2-SIZE-LABEL: 'vecop'
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> zeroinitializer
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %band = and <4 x i1> undef, undef
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bor = or <4 x i1> undef, undef
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; CHECK-THUMB2-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret void
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;
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%sand = select <4 x i1> undef, <4 x i1> undef, <4 x i1> <i1 false, i1 false, i1 false, i1 false>
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%band = and <4 x i1> undef, undef
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%sor = select <4 x i1> undef, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i1> undef
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%bor = or <4 x i1> undef, undef
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ret void
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}
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