diff options
Diffstat (limited to 'test/CodeGen/Thumb')
| -rw-r--r-- | test/CodeGen/Thumb/long.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/long.ll b/test/CodeGen/Thumb/long.ll index e35f7cc82b1..c549bd425aa 100644 --- a/test/CodeGen/Thumb/long.ll +++ b/test/CodeGen/Thumb/long.ll @@ -194,3 +194,15 @@ entry: ; CHECK: movs r1, r3 } +; "sub 2147483648" has to be lowered into "add -2147483648" +define i64 @f12(i64 %x, i64 %y) { +entry: + %tmp1 = sub i64 %x, 2147483648 + ret i64 %tmp1 +; CHECK-LABEL: f12: +; CHECK: movs r2, #1 +; CHECK: lsls r2, r2, #31 +; CHECK: movs r3, #0 +; CHECK: adds r0, r0, r2 +; CHECK: sbcs r1, r3 +} |