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Imported Upstream version 5.18.0.161

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Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
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Xamarin Public Jenkins (auto-signing)
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
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29
external/llvm/test/Transforms/InstCombine/merge-icmp.ll vendored Normal file
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@@ -0,0 +1,29 @@
; RUN: opt -S -instcombine < %s | FileCheck %s
define i1 @test1(i16* %x) {
%load = load i16, i16* %x, align 4
%trunc = trunc i16 %load to i8
%cmp1 = icmp eq i8 %trunc, 127
%and = and i16 %load, -256
%cmp2 = icmp eq i16 %and, 17664
%or = and i1 %cmp1, %cmp2
ret i1 %or
; CHECK-LABEL: @test1(
; CHECK-NEXT: load i16
; CHECK-NEXT: icmp eq i16 %load, 17791
; CHECK-NEXT: ret i1
}
define i1 @test2(i16* %x) {
%load = load i16, i16* %x, align 4
%and = and i16 %load, -256
%cmp1 = icmp eq i16 %and, 32512
%trunc = trunc i16 %load to i8
%cmp2 = icmp eq i8 %trunc, 69
%or = and i1 %cmp1, %cmp2
ret i1 %or
; CHECK-LABEL: @test2(
; CHECK-NEXT: load i16
; CHECK-NEXT: icmp eq i16 %load, 32581
; CHECK-NEXT: ret i1
}