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[CUDA] When compilation fails, print the compilation mode. 

Summary:
That is, instead of "1 error generated", we now say "1 error generated
when compiling for sm_35".

This (partially) solves a usability foogtun wherein e.g. users call a
function that's only defined on sm_60 when compiling for sm_35, and they
get an unhelpful error message.

Reviewers: tra

Subscribers: sanjoy, cfe-commits

Differential Revision: https://reviews.llvm.org/D37548

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@312736 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Lebar 2017-09-07 18:37:16 +00:00
parent 6d4cb407f1
commit 640d10c8b0
2 changed files with 18 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
lib/Frontend/CompilerInstance.cpp
View File

@ -1003,8 +1003,17 @@ bool CompilerInstance::ExecuteAction(FrontendAction &Act) {
OS << " and ";
if (NumErrors)
OS << NumErrors << " error" << (NumErrors == 1 ? "" : "s");
if (NumWarnings || NumErrors)
OS << " generated.\n";
if (NumWarnings || NumErrors) {
OS << " generated";
if (getLangOpts().CUDA) {
if (!getLangOpts().CUDAIsDevice) {
OS << " when compiling for host";
} else {
OS << " when compiling for " << getTargetOpts().CPU;
}
}
OS << ".\n";
}
}
if (getFrontendOpts().ShowStats) {

7
test/SemaCUDA/error-includes-mode.cu Normal file
View File

@ -0,0 +1,7 @@
// RUN: not %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck --check-prefix HOST %s
// RUN: not %clang_cc1 -triple nvptx-unknown-unknown -target-cpu sm_35 \
// RUN: -fcuda-is-device -fsyntax-only %s 2>&1 | FileCheck --check-prefix SM35 %s
// HOST: 1 error generated when compiling for host
// SM35: 1 error generated when compiling for sm_35
error;