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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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57
external/llvm/test/Transforms/InstSimplify/negate.ll vendored
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@ -1,57 +0,0 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
define i32 @negate_nuw(i32 %x) {
; CHECK-LABEL: @negate_nuw(
; CHECK-NEXT: ret i32 0
;
%neg = sub nuw i32 0, %x
ret i32 %neg
}
define <2 x i32> @negate_nuw_vec(<2 x i32> %x) {
; CHECK-LABEL: @negate_nuw_vec(
; CHECK-NEXT: ret <2 x i32> zeroinitializer
;
%neg = sub nuw <2 x i32> zeroinitializer, %x
ret <2 x i32> %neg
}
define i8 @negate_zero_or_minsigned_nsw(i8 %x) {
; CHECK-LABEL: @negate_zero_or_minsigned_nsw(
; CHECK-NEXT: ret i8 0
;
%signbit = and i8 %x, 128
%neg = sub nsw i8 0, %signbit
ret i8 %neg
}
define <2 x i8> @negate_zero_or_minsigned_nsw_vec(<2 x i8> %x) {
; CHECK-LABEL: @negate_zero_or_minsigned_nsw_vec(
; CHECK-NEXT: ret <2 x i8> zeroinitializer
;
%signbit = shl <2 x i8> %x, <i8 7, i8 7>
%neg = sub nsw <2 x i8> zeroinitializer, %signbit
ret <2 x i8> %neg
}
define i8 @negate_zero_or_minsigned(i8 %x) {
; CHECK-LABEL: @negate_zero_or_minsigned(
; CHECK-NEXT: [[SIGNBIT:%.*]] = shl i8 %x, 7
; CHECK-NEXT: ret i8 [[SIGNBIT]]
;
%signbit = shl i8 %x, 7
%neg = sub i8 0, %signbit
ret i8 %neg
}
define <2 x i8> @negate_zero_or_minsigned_vec(<2 x i8> %x) {
; CHECK-LABEL: @negate_zero_or_minsigned_vec(
; CHECK-NEXT: [[SIGNBIT:%.*]] = and <2 x i8> %x, <i8 -128, i8 -128>
; CHECK-NEXT: ret <2 x i8> [[SIGNBIT]]
;
%signbit = and <2 x i8> %x, <i8 128, i8 128>
%neg = sub <2 x i8> zeroinitializer, %signbit
ret <2 x i8> %neg
}