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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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19
external/llvm/test/Transforms/InstCombine/mul-masked-bits.ll vendored Normal file
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@@ -0,0 +1,19 @@
; NOTE: Assertions have been autogenerated by update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
define i32 @foo(i32 %x, i32 %y) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: [[A:%.*]] = and i32 %x, 7
; CHECK-NEXT: [[B:%.*]] = and i32 %y, 7
; CHECK-NEXT: [[C:%.*]] = mul nuw nsw i32 [[A]], [[B]]
; CHECK-NEXT: [[D:%.*]] = shl nuw i32 [[C]], 26
; CHECK-NEXT: [[E:%.*]] = ashr exact i32 [[D]], 26
; CHECK-NEXT: ret i32 [[E]]
;
%a = and i32 %x, 7
%b = and i32 %y, 7
%c = mul i32 %a, %b
%d = shl i32 %c, 26
%e = ashr i32 %d, 26
ret i32 %e
}