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2910f68a52
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45386 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
1.7 KiB
LLVM
89 lines
1.7 KiB
LLVM
; RUN: llvm-as < %s | opt -mem2reg -instcombine | llvm-dis | grep "ret i32 1" | count 8
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define i32 @test1() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp ule i32 %sub, 0
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%retval = select i1 %cmp, i32 0, i32 1
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ret i32 %retval
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}
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define i32 @test2() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp ugt i32 %sub, 0
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%retval = select i1 %cmp, i32 1, i32 0
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ret i32 %retval
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}
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define i32 @test3() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp slt i32 %sub, 0
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%retval = select i1 %cmp, i32 1, i32 0
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ret i32 %retval
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}
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define i32 @test4() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp sle i32 %sub, 0
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%retval = select i1 %cmp, i32 1, i32 0
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ret i32 %retval
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}
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define i32 @test5() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp sge i32 %sub, 0
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%retval = select i1 %cmp, i32 0, i32 1
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ret i32 %retval
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}
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define i32 @test6() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp sgt i32 %sub, 0
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%retval = select i1 %cmp, i32 0, i32 1
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ret i32 %retval
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}
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define i32 @test7() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp eq i32 %sub, 0
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%retval = select i1 %cmp, i32 0, i32 1
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ret i32 %retval
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}
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define i32 @test8() {
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entry:
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%z = alloca i32
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store i32 0, i32* %z
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%tmp = load i32* %z
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%sub = sub i32 %tmp, 1
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%cmp = icmp ne i32 %sub, 0
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%retval = select i1 %cmp, i32 1, i32 0
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ret i32 %retval
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} |