radeon/llvm: Don't use the global context when parsing LLVM IR

This leads to crashes when multiple threads try to compile compute
shaders in the same time.

Fixes a crash in bfgminer when using more than one thread.

diff --git a/src/gallium/drivers/radeon/radeon_llvm_util.c b/src/gallium/drivers/radeon/radeon_llvm_util.c
index 2582d9c..e3b0d63 100644 (file)
--- a/src/gallium/drivers/radeon/radeon_llvm_util.c
+++ b/src/gallium/drivers/radeon/radeon_llvm_util.c
@@ -34,11 +34,12 @@ LLVMModuleRef radeon_llvm_parse_bitcode(const unsigned char * bitcode,
                                                        unsigned bitcode_len)
 {
        LLVMMemoryBufferRef buf;
-       LLVMModuleRef module = LLVMModuleCreateWithName("radeon");
+       LLVMContextRef ctx = LLVMContextCreate();
+       LLVMModuleRef module;
 
        buf = LLVMCreateMemoryBufferWithMemoryRangeCopy((const char*)bitcode,
                                                        bitcode_len, "radeon");
-       LLVMParseBitcode(buf, &module, NULL);
+       LLVMParseBitcodeInContext(ctx, buf, &module, NULL);
        return module;
 }