[llvm-isel-fuzzer] Use "--" as separator rather than '='.

Summary: OSS-Fuzz doesn't support '=' in filenames.

Reviewers: bogner, kcc

Reviewed By: kcc

Subscribers: javed.absar, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D38866

llvm-svn: 315647
diff --git a/llvm/test/tools/llvm-isel-fuzzer/execname-options.ll b/llvm/test/tools/llvm-isel-fuzzer/execname-options.ll
index 68ca142f..a825cb4 100644
--- a/llvm/test/tools/llvm-isel-fuzzer/execname-options.ll
+++ b/llvm/test/tools/llvm-isel-fuzzer/execname-options.ll
@@ -4,16 +4,16 @@
 
 ; RUN: echo > %t.input
 
-; RUN: cp llvm-isel-fuzzer %t.bin=gisel
-; RUN: not %t.bin=gisel %t.input 2>&1 | FileCheck -check-prefix=GISEL %s
+; RUN: cp llvm-isel-fuzzer %t.bin--gisel
+; RUN: not %t.bin--gisel %t.input 2>&1 | FileCheck -check-prefix=GISEL %s
 ; GISEL: Injected args: -global-isel -O0
 ; GISEL: -mtriple must be specified
 
-; RUN: cp llvm-isel-fuzzer %t.bin=gisel-O2
-; RUN: not %t.bin=gisel-O2 %t.input 2>&1 | FileCheck -check-prefix=GISEL-O2 %s
+; RUN: cp llvm-isel-fuzzer %t.bin--gisel-O2
+; RUN: not %t.bin--gisel-O2 %t.input 2>&1 | FileCheck -check-prefix=GISEL-O2 %s
 ; GISEL-O2: Injected args: -global-isel -O0 -O2
 ; GISEL-O2: -mtriple must be specified
 
-; RUN: cp llvm-isel-fuzzer %t.bin=unexist
-; RUN: not %t.bin=unexist %t.input 2>&1 | FileCheck -check-prefix=NO-OPT %s
+; RUN: cp llvm-isel-fuzzer %t.bin--unexist
+; RUN: not %t.bin--unexist %t.input 2>&1 | FileCheck -check-prefix=NO-OPT %s
 ; NO-OPT: Unknown option: