AMDGPU: Fix a slow test by using basic regalloc

This just tests that the register limit isn't exceeded,
so the regisetr allocation doesn't need to be great.'

The critically slow part is all in greedy RA, so
switch to basic.

llvm-svn: 277700

diff --git a/llvm/test/CodeGen/AMDGPU/large-work-group-registers.ll b/llvm/test/CodeGen/AMDGPU/large-work-group-registers.ll
index 468633d..4463c19 100644 (file)
--- a/llvm/test/CodeGen/AMDGPU/large-work-group-registers.ll
+++ b/llvm/test/CodeGen/AMDGPU/large-work-group-registers.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=tonga -post-RA-scheduler=0 < %s | FileCheck %s
+; RUN: llc -march=amdgcn -mcpu=tonga -regalloc=basic -post-RA-scheduler=0 < %s | FileCheck %s
 
 ; CHECK: NumVgprs: 64
 define void @main([9 x <16 x i8>] addrspace(2)* byval, [17 x <16 x i8>] addrspace(2)* byval, [17 x <8 x i32>] addrspace(2)* byval, [16 x <8 x i32>] addrspace(2)* byval, [16 x <4 x i32>] addrspace(2)* byval, <3 x i32> inreg, <3 x i32> inreg, <3 x i32>) #0 {