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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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33
external/llvm/test/Analysis/ValueTracking/assume.ll vendored
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@ -1,33 +0,0 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
define i32 @assume_add(i32 %a, i32 %b) {
; CHECK-LABEL: @assume_add(
; CHECK-NEXT: [[T1:%.*]] = add i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[LAST_TWO_DIGITS:%.*]] = and i32 [[T1]], 3
; CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[LAST_TWO_DIGITS]], 0
; CHECK-NEXT: call void @llvm.assume(i1 [[T2]])
; CHECK-NEXT: [[T3:%.*]] = or i32 [[T1]], 3
; CHECK-NEXT: ret i32 [[T3]]
;
%t1 = add i32 %a, %b
%last_two_digits = and i32 %t1, 3
%t2 = icmp eq i32 %last_two_digits, 0
call void @llvm.assume(i1 %t2)
%t3 = add i32 %t1, 3
ret i32 %t3
}
define void @assume_not() {
; CHECK-LABEL: @assume_not(
entry-block:
%0 = call i1 @get_val()
; CHECK: call void @llvm.assume
%1 = xor i1 %0, true
call void @llvm.assume(i1 %1)
ret void
}
declare i1 @get_val()
declare void @llvm.assume(i1)