[Comgr][Cache] Fix broken test: spirv-translator-cached.cl (llvm#1270)

Author: Salinas, David

amd/comgr/test-lit/spirv-translator-cached.cl

@@ -2,7 +2,7 @@
 // COM: Same as spirv-translator but with the cache
 
 // COM: Generate a spirv-targeted LLVM IR file from an OpenCL kernel
-// RUN: clang -c -emit-llvm --target=spirv64 %s -o %t.bc
+// RUN: clang -c -emit-llvm --target=spirv64 %S/spirv-translator.cl -o %t.bc
 
 // COM: Translate LLVM IR to SPIRV format
 // RUN: amd-llvm-spirv --spirv-target-env=CL2.0 %t.bc -o %t.spv
@@ -11,7 +11,12 @@
 // RUN: export AMD_COMGR_CACHE=1
 // RUN: AMD_COMGR_CACHE_DIR=%t.cache spirv-translator %t.spv -o %t.translated.bc
 // RUN: COUNT=$(ls "%t.cache" | wc -l)
-// RUN: [ 2 -eq $COUNT ]
+// RUN: [ 3 -eq $COUNT ]
+
+// COM: Run again and check that the cache contents haven't changed
+// RUN: AMD_COMGR_CACHE_DIR=%t.cache spirv-translator %t.spv -o %t.translated.again.bc
+// RUN: COUNT=$(ls "%t.cache" | wc -l)
+// RUN: [ 3 -eq $COUNT ]
 
 // COM: Dissasemble LLVM IR bitcode to LLVM IR text
 // RUN: llvm-dis %t.translated.bc -o - | FileCheck %S/spirv-translator.cl