diff options
| author | antangelo <contact@antangelo.com> | 2024-11-26 20:22:25 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-26 20:22:25 -0500 |
| commit | dd4844722d98a97edd180e20abd4e65e1e2dd9d7 (patch) | |
| tree | 40322ce4c49184e4cf109164e5160746c2fd71ee /llvm/test/CodeGen/Generic | |
| parent | ea58410d0fd75c9dc6d395bba15e939ed7c35cb1 (diff) | |
[SelectionDAG] Add generic implementation for @llvm.expect.with.probability when optimizations are disabled (#117459)
Handle \@llvm.expect.with.probability in SelectionDAGBuilder, FastISel,
and IntrinsicLowering in the same way \@llvm.expect is handled, where
the value is passed through as-is. This can be reached if the intrinsic
is used without optimizations, where it would otherwise be properly
transformed out.
Fixes #115411 for SelectionDAG. A similar patch is likely needed for
GlobalISel.
Diffstat (limited to 'llvm/test/CodeGen/Generic')
| -rw-r--r-- | llvm/test/CodeGen/Generic/builtin-expect-with-probability.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Generic/builtin-expect-with-probability.ll b/llvm/test/CodeGen/Generic/builtin-expect-with-probability.ll new file mode 100644 index 000000000000..aef134b636d5 --- /dev/null +++ b/llvm/test/CodeGen/Generic/builtin-expect-with-probability.ll @@ -0,0 +1,8 @@ +; RUN: llc < %s + +declare i32 @llvm.expect.with.probability(i32, i32, double) + +define i32 @test1(i32 %val) nounwind { + %expected = call i32 @llvm.expect.with.probability(i32 %val, i32 1, double 0.5) + ret i32 %expected +} |