diff options
| author | Richard Diamond <wichard@vitalitystudios.com> | 2018-07-18 22:05:08 -0500 |
|---|---|---|
| committer | Richard Diamond <wichard@vitalitystudios.com> | 2018-08-23 14:31:10 -0500 |
| commit | 66e8e1953e25a8d9e86e2e3fef88cc178a9cea02 (patch) | |
| tree | f13711411e4cf5497f5252652b1b5e187b6eab63 /src/librustc_codegen_llvm/builder.rs | |
| parent | bfddedee37d69a4d2180f8c5e7dba000762618e9 (diff) | |
| download | rust-66e8e1953e25a8d9e86e2e3fef88cc178a9cea02.tar.gz rust-66e8e1953e25a8d9e86e2e3fef88cc178a9cea02.zip | |
Fix an AMDGPU related load bit range metadata assertion.
Diffstat (limited to 'src/librustc_codegen_llvm/builder.rs')
| -rw-r--r-- | src/librustc_codegen_llvm/builder.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/librustc_codegen_llvm/builder.rs b/src/librustc_codegen_llvm/builder.rs index cfbc2ab9007..e3526a5a2ee 100644 --- a/src/librustc_codegen_llvm/builder.rs +++ b/src/librustc_codegen_llvm/builder.rs @@ -496,6 +496,14 @@ impl Builder<'a, 'll, 'tcx> { pub fn range_metadata(&self, load: &'ll Value, range: Range<u128>) { + if self.sess().target.target.arch == "amdgpu" { + // amdgpu/LLVM does something weird and thinks a i64 value is + // split into a v2i32, halving the bitwidth LLVM expects, + // tripping an assertion. So, for now, just disable this + // optimization. + return; + } + unsafe { let llty = val_ty(load); let v = [ |