0676acb6fd
Should cover most of the tests for GVN, GVNHoist, GVNSink, GlobalOpt, GlobalSplit, InstCombine, Reassociate, SROA and TailCallElim that had not been updated earlier.
90 lines
1.7 KiB
LLVM
90 lines
1.7 KiB
LLVM
; RUN: opt < %s -passes=mem2reg,instcombine -S | 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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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, ptr %z
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%tmp = load i32, ptr %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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}
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