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[ConstantFolding] add tests for abs intrinsic; NFC

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This commit is contained in:
Sanjay Patel 2020-07-30 08:37:02 -04:00
parent 73b4cac809
commit fccef719b8
1 changed files with 50 additions and 0 deletions
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test/Analysis/ConstantFolding/abs.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -constprop -S | FileCheck %s
declare i8 @llvm.abs.i8(i8, i1)
declare <8 x i8> @llvm.abs.v8i8(<8 x i8>, i1)
define i8 @undef_val_min_poison() {
; CHECK-LABEL: @undef_val_min_poison(
; CHECK-NEXT: [[R:%.*]] = call i8 @llvm.abs.i8(i8 undef, i1 true)
; CHECK-NEXT: ret i8 [[R]]
;
%r = call i8 @llvm.abs.i8(i8 undef, i1 true)
ret i8 %r
}
define i8 @undef_val_min_not_poison() {
; CHECK-LABEL: @undef_val_min_not_poison(
; CHECK-NEXT: [[R:%.*]] = call i8 @llvm.abs.i8(i8 undef, i1 false)
; CHECK-NEXT: ret i8 [[R]]
;
%r = call i8 @llvm.abs.i8(i8 undef, i1 false)
ret i8 %r
}
define i8 @min_val_min_poison() {
; CHECK-LABEL: @min_val_min_poison(
; CHECK-NEXT: [[R:%.*]] = call i8 @llvm.abs.i8(i8 -128, i1 true)
; CHECK-NEXT: ret i8 [[R]]
;
%r = call i8 @llvm.abs.i8(i8 -128, i1 true)
ret i8 %r
}
define i8 @min_val_min_not_poison() {
; CHECK-LABEL: @min_val_min_not_poison(
; CHECK-NEXT: [[R:%.*]] = call i8 @llvm.abs.i8(i8 -128, i1 false)
; CHECK-NEXT: ret i8 [[R]]
;
%r = call i8 @llvm.abs.i8(i8 -128, i1 false)
ret i8 %r
}
define <8 x i8> @vec_const() {
; CHECK-LABEL: @vec_const(
; CHECK-NEXT: [[R:%.*]] = call <8 x i8> @llvm.abs.v8i8(<8 x i8> <i8 -127, i8 -126, i8 -42, i8 -1, i8 0, i8 1, i8 42, i8 127>, i1 true)
; CHECK-NEXT: ret <8 x i8> [[R]]
;
%r = call <8 x i8> @llvm.abs.v8i8(<8 x i8> <i8 -127, i8 -126, i8 -42, i8 -1, i8 0, i8 1, i8 42, i8 127>, i1 1)
ret <8 x i8> %r
}