diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/Thumb2/thumb2-cmp.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll b/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll index d4773bb5809..63249f4cf14 100644 --- a/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll +++ b/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll @@ -39,3 +39,17 @@ define i1 @f5(i32 %a) { %tmp = icmp eq i32 %a, 1114112 ret i1 %tmp } + +; Check that we don't do an invalid (a > b) --> !(a < b + 1) transform. +; +; CHECK: f6: +; CHECK-NOT: cmp.w r0, #-2147483648 +; CHECK: bx lr +define i32 @f6(i32 %a) { + %tmp = icmp sgt i32 %a, 2147483647 + br i1 %tmp, label %true, label %false +true: + ret i32 2 +false: + ret i32 0 +} |
