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| author | James Molloy <james.molloy@arm.com> | 2016-06-14 13:33:07 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2016-06-14 13:33:07 +0000 |
| commit | a523293cd962aa6eaf71e62b9a945aec81d05595 (patch) | |
| tree | 4ff085ed14e5565843b59431a87d61253497bc23 /test/CodeGen/Thumb | |
| parent | 49fa89507c3a54c8e0934f46a874d497c3b0c526 (diff) | |
[Thumb] Fix off-by-one error in r272007
We can only generate immediates up to #510 with a MOV+ADD, not #511, because there's no such instruction as add #256.
Found by Oliver Stannard and csmith!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272665 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb')
| -rw-r--r-- | test/CodeGen/Thumb/constants.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/constants.ll b/test/CodeGen/Thumb/constants.ll index 34c08139602..b1145d7b1d8 100644 --- a/test/CodeGen/Thumb/constants.ll +++ b/test/CodeGen/Thumb/constants.ll @@ -9,3 +9,11 @@ define i32 @mov_and_add() { ret i32 267 } + +; CHECK-T1-LABEL: @mov_and_add2 +; CHECK-T2-LABEL: @mov_and_add2 +; CHECK-T1: ldr r0, +; CHECK-T2: movw r0, #511 +define i32 @mov_and_add2() { + ret i32 511 +} |