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Summary: Previously the NVVMReflect pass would read its configuration from command-line flags or a static configuration given to the pass at instantiation time. This doesn't quite work for clang's use-case. It needs to pass a value for __CUDA_FTZ down on a per-module basis. We use a module flag for this, so the NVVMReflect pass needs to be updated to read said flag. Reviewers: tra, rnk Subscribers: cfe-commits, jholewinski Differential Revision: http://reviews.llvm.org/D18672 llvm-svn: 265090
14 lines
450 B
LLVM
14 lines
450 B
LLVM
; RUN: opt < %s -S -nvvm-reflect | FileCheck %s
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declare i32 @__nvvm_reflect(i8*)
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@str = private unnamed_addr addrspace(1) constant [11 x i8] c"__CUDA_FTZ\00"
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define i32 @foo() {
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%call = call i32 @__nvvm_reflect(i8* addrspacecast (i8 addrspace(1)* getelementptr inbounds ([11 x i8], [11 x i8] addrspace(1)* @str, i32 0, i32 0) to i8*))
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; CHECK: ret i32 42
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ret i32 %call
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 4, !"nvvm-reflect-ftz", i32 42}
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