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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
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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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
}