[llvm] AMDGPU: Avoid contraction in wwm allocation failure message (PR #150888)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/150888.diff


2 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/wwm-regalloc-error.ll (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp b/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
index 9f61bf8eaa3a1..d6571e3e12fbd 100644
--- a/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
@@ -376,7 +376,7 @@ void SILowerSGPRSpills::determineRegsForWWMAllocation(MachineFunction &MF,
     // Reserve an arbitrary register and report the error.
     TRI->markSuperRegs(RegMask, AMDGPU::VGPR0);
     MF.getFunction().getContext().emitError(
-        "can't find enough VGPRs for wwm-regalloc");
+        "cannot find enough VGPRs for wwm-regalloc");
   }
 }
 
diff --git a/llvm/test/CodeGen/AMDGPU/wwm-regalloc-error.ll b/llvm/test/CodeGen/AMDGPU/wwm-regalloc-error.ll
index 145f1e483cd99..ff18b32e80d47 100644
--- a/llvm/test/CodeGen/AMDGPU/wwm-regalloc-error.ll
+++ b/llvm/test/CodeGen/AMDGPU/wwm-regalloc-error.ll
@@ -2,7 +2,7 @@
 
 ; A negative test to capture the expected error when the VGPRs are insufficient for wwm-regalloc.
 
-; CHECK: error: can't find enough VGPRs for wwm-regalloc
+; CHECK: error: cannot find enough VGPRs for wwm-regalloc
 
 define amdgpu_kernel void @test(i32 %in) {
 entry:

``````````

</details>


https://github.com/llvm/llvm-project/pull/150888