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| author | Nirav Dave <niravd@google.com> | 2017-03-18 00:43:39 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2017-03-18 00:43:39 +0000 |
| commit | 8497ef408693c8607792c1bbea96941490c10743 (patch) | |
| tree | 226c2e953a92adf902d1576a59957bb4e508366d | |
| parent | 8fef5556bcd628e5579739844bdd46d70289b4ab (diff) | |
| download | bcm5719-llvm-8497ef408693c8607792c1bbea96941490c10743.tar.gz bcm5719-llvm-8497ef408693c8607792c1bbea96941490c10743.zip | |
[X86] Add NumRegisterParameters Module Flag.
Reviewers: rnk, mkuper
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D27051
llvm-svn: 298177
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 7 | ||||
| -rw-r--r-- | clang/test/CodeGen/pr3997.c | 13 | ||||
| -rw-r--r-- | clang/test/Headers/altivec-header.c | 2 |
3 files changed, 21 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index a3920e1add4..d6b0d38633c 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -159,6 +159,12 @@ CodeGenModule::CodeGenModule(ASTContext &C, const HeaderSearchOptions &HSO, // CoverageMappingModuleGen object. if (CodeGenOpts.CoverageMapping) CoverageMapping.reset(new CoverageMappingModuleGen(*this, *CoverageInfo)); + + // Record mregparm value now so it is visible through rest of codegen. + if (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86) + getModule().addModuleFlag(llvm::Module::Error, "NumRegisterParameters", + CodeGenOpts.NumRegisterParameters); + } CodeGenModule::~CodeGenModule() {} @@ -416,6 +422,7 @@ void CodeGenModule::Release() { (Context.getLangOpts().Modules || !LinkerOptionsMetadata.empty())) { EmitModuleLinkOptions(); } + if (CodeGenOpts.DwarfVersion) { // We actually want the latest version when there are conflicts. // We can change from Warning to Latest if such mode is supported. diff --git a/clang/test/CodeGen/pr3997.c b/clang/test/CodeGen/pr3997.c new file mode 100644 index 00000000000..814144cd14d --- /dev/null +++ b/clang/test/CodeGen/pr3997.c @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 %s -triple i386-unknown-linux-gnu -mregparm 3 -emit-llvm -o - | FileCheck %s + +void *memcpy(void *dest, const void *src, unsigned int n); + +void use_builtin_memcpy(void *dest, const void *src, unsigned int n) { + __builtin_memcpy(dest, src, n); +} + +void use_memcpy(void *dest, const void *src, unsigned int n) { + memcpy(dest, src, n); +} + +//CHECK: !{i32 1, !"NumRegisterParameters", i32 3} diff --git a/clang/test/Headers/altivec-header.c b/clang/test/Headers/altivec-header.c index 0ea9e2b52d4..26f42e14001 100644 --- a/clang/test/Headers/altivec-header.c +++ b/clang/test/Headers/altivec-header.c @@ -9,4 +9,4 @@ // CHECK: target triple = "powerpc64- // CHECK-NEXT: {{^$}} -// CHECK-NEXT: llvm.ident +// CHECK-NEXT: {{llvm\..*}} |
