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Darwin x86_32: Improve bit-field handling for returning records. 

- This turns out to be a no-op now that most of the handling for
   everything else is in place.

llvm-svn: 71261
This commit is contained in:
Daniel Dunbar 2009-05-08 20:55:49 +00:00
parent 9ee6a31bb8
commit 4861346c44
2 changed files with 11 additions and 14 deletions
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4
clang/lib/CodeGen/CGCall.cpp
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@ -342,10 +342,6 @@ bool X86_32ABIInfo::shouldReturnTypeInRegister(QualType Ty,
e = RT->getDecl()->field_end(Context); i != e; ++i) {
const FieldDecl *FD = *i;
// FIXME: Reject bit-fields wholesale for now; this is incorrect.
if (FD->isBitField())
return false;
// Empty structures are ignored.
if (isEmptyRecord(Context, FD->getType()))
continue;

21
clang/test/CodeGen/x86_32-arguments.c
View File

@ -47,12 +47,10 @@ void f8_2(struct s8 a0) {
// This should be passed just as s8.
// FIXME: This is wrong, but we want the coverage of the other
// tests. This should be the same as @f8_1.
// RUN: grep 'define void @f9_1(%.truct.s9\* noalias sret %agg.result)' %t &&
// RUN: grep 'define i64 @f9_1()' %t &&
// FIXME: This is wrong, but we want the coverage of the other
// tests. This should be the same as @f8_2.
// FIXME: llvm-gcc expands this, this may have some value for the
// backend in terms of optimization but doesn't change the ABI.
// RUN: grep 'define void @f9_2(%.truct.s9\* byval %a0)' %t &&
struct s9 {
int a : 17;
@ -96,11 +94,11 @@ T16 f16(void) {}
// 128-bits).
// RUN: grep 'i32 @f17()' %t &&
// RUN: grep -F 'void @f18(%3* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f19(%4* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f20(%5* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f21(%6* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f22(%7* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f18(%2* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f19(%3* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f20(%4* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f21(%5* noalias sret %agg.result)' %t &&
// RUN: grep -F 'void @f22(%6* noalias sret %agg.result)' %t &&
struct { T11 a; } f17(void) {}
struct { T12 a; } f18(void) {}
struct { T13 a; } f19(void) {}
@ -129,4 +127,7 @@ struct s28 { int a; int b[]; } f28(void) {}
// RUN: grep 'define i16 @f29()' %t &&
struct s29 { struct { } a[1]; char b; char c; } f29(void) {}
// RUN: grep 'define i16 @f30()' %t &&
struct s30 { char a; char b : 4; } f30(void) {}
// RUN: true