Fangrui Song 9e9907f1cf
[AMDGPU,test] Change llc -march= to -mtriple= (#75982)
Similar to 806761a7629df268c8aed49657aeccffa6bca449.

For IR files without a target triple, -mtriple= specifies the full
target triple while -march= merely sets the architecture part of the
default target triple, leaving a target triple which may not make sense,
e.g. amdgpu-apple-darwin.

Therefore, -march= is error-prone and not recommended for tests without
a target triple. The issue has been benign as we recognize
$unknown-apple-darwin as ELF instead of rejecting it outrightly.

This patch changes AMDGPU tests to not rely on the default
OS/environment components. Tests that need fixes are not changed:

```
  LLVM :: CodeGen/AMDGPU/fabs.f64.ll
  LLVM :: CodeGen/AMDGPU/fabs.ll
  LLVM :: CodeGen/AMDGPU/floor.ll
  LLVM :: CodeGen/AMDGPU/fneg-fabs.f64.ll
  LLVM :: CodeGen/AMDGPU/fneg-fabs.ll
  LLVM :: CodeGen/AMDGPU/r600-infinite-loop-bug-while-reorganizing-vector.ll
  LLVM :: CodeGen/AMDGPU/schedule-if-2.ll
```
2024-01-16 21:54:58 -08:00

19 lines
641 B
LLVM

; RUN: llc < %s -mtriple=r600 -mcpu=redwood | FileCheck %s
; This test is for a scheduler bug where VTX_READ instructions that used
; the result of another VTX_READ instruction were being grouped in the
; same fetch clasue.
; CHECK: {{^}}test:
; CHECK: Fetch clause
; CHECK: VTX_READ_32 [[IN0:T[0-9]+\.X]], [[IN0]], 0
; CHECK: Fetch clause
; CHECK: VTX_READ_32 [[IN1:T[0-9]+\.X]], [[IN1]], 0
define amdgpu_kernel void @test(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in0) {
entry:
%0 = load ptr addrspace(1), ptr addrspace(1) %in0
%1 = load i32, ptr addrspace(1) %0
store i32 %1, ptr addrspace(1) %out
ret void
}