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| author | Lang Hames <lhames@gmail.com> | 2011-07-09 00:36:54 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2011-07-09 00:36:54 +0000 |
| commit | f86a54741934e146e3aa0e32c0dfe1c58c3ba79d (patch) | |
| tree | c4cd5634033d3532abb07dff571e9d9f5acc8153 /test | |
| parent | bd1828c6ed8e699dc3efe69271e58085f35a5db3 (diff) | |
| download | llvm-f86a54741934e146e3aa0e32c0dfe1c58c3ba79d.tar.gz llvm-f86a54741934e146e3aa0e32c0dfe1c58c3ba79d.tar.bz2 llvm-f86a54741934e146e3aa0e32c0dfe1c58c3ba79d.tar.xz | |
Added test cases for GVN signed intrinsics recognition, r134777.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134778 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/GVN/2011-07-07-MatchIntrinsicExtract.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/GVN/2011-07-07-MatchIntrinsicExtract.ll b/test/Transforms/GVN/2011-07-07-MatchIntrinsicExtract.ll index a2ef4ab418..18178e45a2 100644 --- a/test/Transforms/GVN/2011-07-07-MatchIntrinsicExtract.ll +++ b/test/Transforms/GVN/2011-07-07-MatchIntrinsicExtract.ll @@ -39,9 +39,47 @@ entry: ; CHECK-NOT: mul1 ; CHECK: ret +define i64 @test4(i64 %a, i64 %b) nounwind ssp { +entry: + %sadd = tail call %0 @llvm.sadd.with.overflow.i64(i64 %a, i64 %b) + %sadd.0 = extractvalue %0 %sadd, 0 + %add1 = add i64 %a, %b + ret i64 %add1 +} + +; CHECK: @test4 +; CHECK-NOT: add1 +; CHECK: ret + +define i64 @test5(i64 %a, i64 %b) nounwind ssp { +entry: + %ssub = tail call %0 @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) + %ssub.0 = extractvalue %0 %ssub, 0 + %sub1 = sub i64 %a, %b + ret i64 %sub1 +} + +; CHECK: @test5 +; CHECK-NOT: sub1 +; CHECK: ret + +define i64 @test6(i64 %a, i64 %b) nounwind ssp { +entry: + %smul = tail call %0 @llvm.smul.with.overflow.i64(i64 %a, i64 %b) + %smul.0 = extractvalue %0 %smul, 0 + %mul1 = mul i64 %a, %b + ret i64 %mul1 +} + +; CHECK: @test6 +; CHECK-NOT: mul1 +; CHECK: ret declare void @exit(i32) noreturn declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone declare %0 @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone declare %0 @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone +declare %0 @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone +declare %0 @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone +declare %0 @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone |