diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/add.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/add.ll b/llvm/test/Transforms/InstCombine/add.ll index 7c46257273a..39a746ab310 100644 --- a/llvm/test/Transforms/InstCombine/add.ll +++ b/llvm/test/Transforms/InstCombine/add.ll @@ -507,3 +507,15 @@ define i1 @test40(i32 %a, i32 %b) { %cmp = icmp eq i32 %add, %b ret i1 %cmp } + +define i64 @test41(i32 %a) { +; CHECK-LABEL: @test41( +; CHECK-NEXT: [[ADD:%.*]] = add nuw i32 %a, 15 +; CHECK-NEXT: [[EXT:%.*]] = zext i32 [[ADD]] to i64 +; CHECK-NEXT: ret i64 [[EXT]] +; + %add = add nuw i32 %a, 16 + %zext = zext i32 %add to i64 + %sub = add i64 %zext, -1 + ret i64 %sub +} |
