diff options
| author | Alon Zakai <alonzakai@gmail.com> | 2014-03-26 14:45:54 -0700 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2014-03-26 14:45:54 -0700 |
| commit | 9901f6970fb393d63b606624b1fce828ada7c7e3 (patch) | |
| tree | 8505b12b4903e8e2550d5e150690cfeb1a6b91ae /test | |
| parent | f80db17a78b7194761a717435c0ff015c7d92247 (diff) | |
optimize x < 0 and generalize it to non-i64 values too
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/JS/expand-i64.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/JS/expand-i64.ll b/test/CodeGen/JS/expand-i64.ll index a8a1875fa4..d667548abf 100644 --- a/test/CodeGen/JS/expand-i64.ll +++ b/test/CodeGen/JS/expand-i64.ll @@ -312,3 +312,18 @@ dead: store i64 %s, i64* %p ret void } + +; CHECK: define i1 @slt_zero(i32 %a) { +; CHECK: %1 = icmp slt i32 %a, 0 +; CHECK: %2 = sext i1 %1 to i32 +; CHECK: %3 = sext i1 %1 to i32 +; CHECK: %4 = sext i1 %1 to i32 +; CHECK: %5 = icmp slt i32 %4, 0 +; CHECK: ret i1 %5 +; CHECK: } +define i1 @slt_zero(i32 %a) { + %b = sext i32 %a to i128 + %c = icmp slt i128 %b, 0 + ret i1 %c +} + |