[PowerPC, test] Fix use of undef FileCheck var

Thomas Preud'homme · Thomas Preud'homme · commit bb69173ae5d1 · 2021-04-09T12:54:35.000+01:00
Commit 6ad3d05 disables the definition of CSR that a follow-up CHECK-NOT directive depends on. This commit replaces the undefined CSR variable use by the regex used to define it. Reviewed By: nemanjai Differential Revision: https://reviews.llvm.org/D99870
diff --git a/llvm/test/CodeGen/PowerPC/ppc-shrink-wrapping.ll b/llvm/test/CodeGen/PowerPC/ppc-shrink-wrapping.ll
@@ -679,7 +679,7 @@ end:
 ; CHECKXX: ld [[CSR]], -[[STACK_OFFSET]](1) # 8-byte Folded Reload
 ;
 ; Ensure no subsequent uses of callee-save register before end of function
-; CHECK-NOT: {{[a-z]+}} [[CSR]]
+; CHECKXX-NOT: {{[a-z]+}} [[CSR]]
 ; CHECK: blr
 define signext i32 @transpose() {
 entry:

Original file line number	Diff line number	Diff line change
`@@ -679,7 +679,7 @@ end:`
`679`	`679`	`; CHECKXX: ld [[CSR]], -[[STACK_OFFSET]](1) # 8-byte Folded Reload`
`680`	`680`	`;`
`681`	`681`	`; Ensure no subsequent uses of callee-save register before end of function`
`682`		`-; CHECK-NOT: {{[a-z]+}} [[CSR]]`
	`682`	`+; CHECKXX-NOT: {{[a-z]+}} [[CSR]]`
`683`	`683`	`; CHECK: blr`
`684`	`684`	`define signext i32 @transpose() {`
`685`	`685`	`entry:`