diff options
| author | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2022-06-30 08:16:05 +0000 |
|---|---|---|
| committer | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2022-09-06 14:18:32 +0000 |
| commit | 3f076451202409bca6262d7b5bf9a4fee3d18fb9 (patch) | |
| tree | caa5cf3deff3fb465f57d9a2a01641048bd60d1a /compiler/rustc_codegen_cranelift | |
| parent | 3c7278846102bb829c9a789e91bc43f0ed612943 (diff) | |
| download | rust-3f076451202409bca6262d7b5bf9a4fee3d18fb9.tar.gz rust-3f076451202409bca6262d7b5bf9a4fee3d18fb9.zip | |
Lower the assume intrinsic to a MIR statement
Diffstat (limited to 'compiler/rustc_codegen_cranelift')
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/base.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/constant.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs | 3 |
3 files changed, 3 insertions, 3 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index c412e451a03..1f49ead93a3 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -791,6 +791,8 @@ fn codegen_stmt<'tcx>( | StatementKind::Nop | StatementKind::FakeRead(..) | StatementKind::Retag { .. } + // We ignore `assume` intrinsics, they are only useful for optimizations + | StatementKind::Assume(..) | StatementKind::AscribeUserType(..) => {} StatementKind::Coverage { .. } => fx.tcx.sess.fatal("-Zcoverage is unimplemented"), diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index 9224f499339..f75de9096f3 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -540,6 +540,7 @@ pub(crate) fn mir_operand_get_const_val<'tcx>( return None; } // conservative handling StatementKind::Assign(_) + | StatementKind::Assume(_) | StatementKind::FakeRead(_) | StatementKind::SetDiscriminant { .. } | StatementKind::Deinit(_) diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs index 39e9e784a47..0cd9332a58b 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs @@ -357,9 +357,6 @@ fn codegen_regular_intrinsic_call<'tcx>( let usize_layout = fx.layout_of(fx.tcx.types.usize); match intrinsic { - sym::assume => { - intrinsic_args!(fx, args => (_a); intrinsic); - } sym::likely | sym::unlikely => { intrinsic_args!(fx, args => (a); intrinsic); |