llvm/test/Transforms/InstCombine/2007-12-28-IcmpSub2.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

89 lines
1.6 KiB
LLVM

; 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* %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* %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* %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* %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* %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* %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* %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* %z
%sub = sub i32 %tmp, 1
%cmp = icmp ne i32 %sub, 0
%retval = select i1 %cmp, i32 1, i32 0
ret i32 %retval
}