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Rollup merge of #137894 - compiler-errors:no-scalar-pair-opt, r=oli-obk

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Revert "store ScalarPair via memset when one side is undef and the other side can be memset"

cc #137892
reverts #135335

r? oli-obk
This commit is contained in:
Matthias Krüger
2025-03-03 20:47:12 +01:00
committed by GitHub
parent a4b6181156 5f575bc4bc
commit 70b9968d1e
8 changed files with 37 additions and 120 deletions
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4
compiler/rustc_codegen_llvm/src/common.rs
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@@ -127,10 +127,6 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> {
unsafe { llvm::LLVMGetUndef(t) }
}
fn is_undef(&self, v: &'ll Value) -> bool {
unsafe { llvm::LLVMIsUndef(v) == True }
}
fn const_poison(&self, t: &'ll Type) -> &'ll Value {
unsafe { llvm::LLVMGetPoison(t) }
}

1
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@@ -1046,7 +1046,6 @@ unsafe extern "C" {
pub(crate) fn LLVMMetadataTypeInContext(C: &Context) -> &Type;
// Operations on all values
pub(crate) fn LLVMIsUndef(Val: &Value) -> Bool;
pub(crate) fn LLVMTypeOf(Val: &Value) -> &Type;
pub(crate) fn LLVMGetValueName2(Val: &Value, Length: *mut size_t) -> *const c_char;
pub(crate) fn LLVMSetValueName2(Val: &Value, Name: *const c_char, NameLen: size_t);