Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions

View File

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; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
; There should be exactly one shift and one add left.
define i32 @test1(i32 %X, i32 %Y) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[REASS_ADD:%.*]] = add i32 %Y, %X
; CHECK-NEXT: [[REASS_MUL:%.*]] = shl i32 [[REASS_ADD]], 1
; CHECK-NEXT: ret i32 [[REASS_MUL]]
;
%t2 = shl i32 %X, 1
%t6 = shl i32 %Y, 1
%t4 = add i32 %t6, %t2
ret i32 %t4
}