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Imported Upstream version 5.18.0.205

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Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
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Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions
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89
external/llvm/test/Transforms/InstCombine/2007-12-28-IcmpSub2.ll vendored Normal file
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@@ -0,0 +1,89 @@
; RUN: opt < %s -mem2reg -instcombine -S | grep "ret i32 1" | count 8
define i32 @test1() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp ule i32 %sub, 0
%retval = select i1 %cmp, i32 0, i32 1
ret i32 %retval
}
define i32 @test2() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp ugt i32 %sub, 0
%retval = select i1 %cmp, i32 1, i32 0
ret i32 %retval
}
define i32 @test3() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp slt i32 %sub, 0
%retval = select i1 %cmp, i32 1, i32 0
ret i32 %retval
}
define i32 @test4() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp sle i32 %sub, 0
%retval = select i1 %cmp, i32 1, i32 0
ret i32 %retval
}
define i32 @test5() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp sge i32 %sub, 0
%retval = select i1 %cmp, i32 0, i32 1
ret i32 %retval
}
define i32 @test6() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp sgt i32 %sub, 0
%retval = select i1 %cmp, i32 0, i32 1
ret i32 %retval
}
define i32 @test7() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp eq i32 %sub, 0
%retval = select i1 %cmp, i32 0, i32 1
ret i32 %retval
}
define i32 @test8() {
entry:
%z = alloca i32
store i32 0, i32* %z
%tmp = load i32, i32* %z
%sub = sub i32 %tmp, 1
%cmp = icmp ne i32 %sub, 0
%retval = select i1 %cmp, i32 1, i32 0
ret i32 %retval
}