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LLVM unit tests: just use the stack

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Joëlle van Essen 2025-02-08 15:28:08 +01:00
parent 3968c35658
commit 5a15204910
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1 changed files with 5 additions and 10 deletions
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15
ptx/src/pass/emit_llvm.rs
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@ -24,10 +24,10 @@
// shows it fails inside amdgpu-isel. You can get a little bit furthr with "-mllvm -global-isel", // shows it fails inside amdgpu-isel. You can get a little bit furthr with "-mllvm -global-isel",
// but it will too fail similarly, but with "unable to legalize instruction" // but it will too fail similarly, but with "unable to legalize instruction"
use std::alloc::{alloc, dealloc, handle_alloc_error, Layout};
use std::array::TryFromSliceError; use std::array::TryFromSliceError;
use std::convert::TryInto; use std::convert::TryInto;
use std::ffi::{CStr, NulError}; use std::ffi::{CStr, NulError};
use std::mem;
use std::ops::Deref; use std::ops::Deref;
use std::{i8, ptr}; use std::{i8, ptr};
@ -153,16 +153,11 @@ pub struct MemoryBuffer(LLVMMemoryBufferRef);
impl MemoryBuffer { impl MemoryBuffer {
pub fn print_as_asm(&self) -> &str { pub fn print_as_asm(&self) -> &str {
unsafe { unsafe {
let layout = Layout::new::<LLVMModuleRef>(); let mut module: LLVMModuleRef = mem::zeroed();
let p_module = alloc(layout);
if p_module.is_null() {
handle_alloc_error(layout);
}
let context = Context::new(); let context = Context::new();
LLVMParseBitcodeInContext2(context.0, self.0, p_module as *mut LLVMModuleRef); LLVMParseBitcodeInContext2(context.0, self.0, &mut module);
let asm = LLVMPrintModuleToString(*(p_module as *mut LLVMModuleRef)); let asm = LLVMPrintModuleToString(module);
LLVMDisposeModule(*(p_module as *mut LLVMModuleRef)); LLVMDisposeModule(module);
dealloc(p_module, layout);
let asm = CStr::from_ptr(asm); let asm = CStr::from_ptr(asm);
asm.to_str().unwrap().trim() asm.to_str().unwrap().trim()
} }