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Diffstat (limited to 'test/Transforms/InstCombine/add.ll')
| -rw-r--r-- | test/Transforms/InstCombine/add.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/add.ll b/test/Transforms/InstCombine/add.ll index 7c46257273a3..39a746ab310b 100644 --- a/test/Transforms/InstCombine/add.ll +++ b/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 +} |