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| author | Alex Huang <huangalex409@gmail.com> | 2024-01-29 21:01:15 -0500 |
|---|---|---|
| committer | Alex Huang <huangalex409@gmail.com> | 2024-01-29 21:01:15 -0500 |
| commit | 7bdf705dd72edb9febe527c580a476d5d5f2f992 (patch) | |
| tree | a95069d60017e01d3c8e95a3c1c6ee740fe26e8a /compiler/rustc_codegen_llvm/src | |
| parent | af08c64e3800fd15f0afdb8651de8fa7dacc0026 (diff) | |
| download | rust-7bdf705dd72edb9febe527c580a476d5d5f2f992.tar.gz rust-7bdf705dd72edb9febe527c580a476d5d5f2f992.zip | |
Avoid ICE when is_val_statically_known is not of a supported type
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/context.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/intrinsic.rs | 16 |
2 files changed, 13 insertions, 4 deletions
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 6cb62280a59..7dfcf1ab50e 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -909,6 +909,7 @@ impl<'ll> CodegenCx<'ll, '_> { ifn!("llvm.is.constant.isize", fn(t_isize) -> i1); ifn!("llvm.is.constant.f32", fn(t_f32) -> i1); ifn!("llvm.is.constant.f64", fn(t_f64) -> i1); + ifn!("llvm.is.constant.ptr", fn(ptr) -> i1); ifn!("llvm.expect.i1", fn(i1, i1) -> i1); ifn!("llvm.eh.typeid.for", fn(ptr) -> t_i32); diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index f1a6f7bd8e6..b4512af38e3 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -119,10 +119,18 @@ impl<'ll, 'tcx> IntrinsicCallMethods<'tcx> for Builder<'_, 'll, 'tcx> { sym::likely => { self.call_intrinsic("llvm.expect.i1", &[args[0].immediate(), self.const_bool(true)]) } - sym::is_val_statically_known => self.call_intrinsic( - &format!("llvm.is.constant.{:?}", args[0].layout.immediate_llvm_type(self.cx)), - &[args[0].immediate()], - ), + sym::is_val_statically_known => { + let intrinsic_type = args[0].layout.immediate_llvm_type(self.cx); + match self.type_kind(intrinsic_type) { + TypeKind::Pointer | TypeKind::Integer | TypeKind::Float | TypeKind::Double => { + self.call_intrinsic( + &format!("llvm.is.constant.{:?}", intrinsic_type), + &[args[0].immediate()], + ) + } + _ => self.const_bool(false), + } + } sym::unlikely => self .call_intrinsic("llvm.expect.i1", &[args[0].immediate(), self.const_bool(false)]), kw::Try => { |