[PATCH v3] [PPC64]: Add support for Swift calling convention

Andrew Jeffery via cfe-commits cfe-commits at lists.llvm.org
Sun Jul 23 17:57:08 PDT 2017


On Wed, 2017-07-19 at 08:26 -0700, Adrian Prantl wrote:
> > > > On Jun 21, 2017, at 11:32 PM, Andrew Jeffery <andrew at aj.id.au> wrote:
> > 
> > For the tests I've extracted the int5 and int8 cases to cater for
> > different alignments for different platform ABIs. For Linux on POWER the
> > 5 and 8 element vectors must be naturally aligned with respect to the
> > total "soft" vector size, despite being represented as an aggregate.
> > Specifically, the patch caters for the following differences in
> > supporting powerpc64le-unknown-linux:
> > 
> >   $ diff -u test/CodeGen/64bit-swiftcall.c test/CodeGen/ppc64-swiftcall.c
> > > >   --- test/CodeGen/64bit-swiftcall.c	2017-04-20 17:14:59.797963820 +0930
> > > >   +++ test/CodeGen/ppc64-swiftcall.c	2017-04-20 17:15:11.621965118 +0930
> >   @@ -1,7 +1,6 @@
> >   -// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s
> >   -// RUN: %clang_cc1 -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s
> >   +// RUN: %clang_cc1 -triple powerpc64le-unknown-linux -emit-llvm -o - %s | FileCheck %s
> > 
> >   -// REQUIRES: aarch64-registered-target,x86-registered-target
> >   +// REQUIRES: powerpc-registered-target
> > 
> >    #define SWIFTCALL __attribute__((swiftcall))
> >    #define OUT __attribute__((swift_indirect_result))
> >   @@ -370,8 +369,8 @@
> > 
> >    TEST(int8)
> >    // CHECK-LABEL: define {{.*}} @return_int8()
> >   -// CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 16
> >   +// CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 32
> >    // CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> >    // CHECK:   store
> >    // CHECK:   load
> >    // CHECK:   store
> >   @@ -414,8 +413,8 @@
> > 
> >    TEST(int5)
> >    // CHECK-LABEL: define {{.*}} @return_int5()
> >   -// CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 16
> >   +// CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 32
> >    // CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> >    // CHECK:   store
> >    // CHECK:   load
> >    // CHECK:   store
> > 
> > Despite some duplication, the advantage of this approach over using
> > pattern matching for alignment in 64bit-swiftcall.c is that we ensure
> > each platform is using the expected alignment but without duplicating
> > the entirety of 64bit-swiftcall.c.
> 
> You could also write all in one file and use invoke FileCheck with --check-prefix=CHECK-PPC64 to have a second set of CHECK-lines in the same input file.
> 

Ah, interesting. That's probably worth a respin.

Thanks for the feedback.

Andrew

> -- adrian
> > 
> > > > Signed-off-by: Andrew Jeffery <andrew at aj.id.au>
> > ---
> > 
> > Hello,
> > 
> > The only change in v3 is rebasing it on top upstream HEAD, fixing a conflict in
> > one of the lit REQUIRES lines.
> > 
> > Ulrich, Hal, Bill: I've Cc'ed you as you were fingered by the blame output. As
> > some background I sent the patch several months ago but it hasn't got much
> > traction aside from a LGTM from Adrian (thanks!). I'm hoping it gets a bit more
> > attention as without it we get build failures for Swift on POWER, which is
> > in-turn blocking some CI efforts. 
> > 
> > Cheers,
> > 
> > Andrew
> > 
> > lib/Basic/Targets.cpp                             |  11 ++
> > lib/CodeGen/TargetInfo.cpp                        |  14 ++-
> > test/CodeGen/64bit-swiftcall-extvec-agg-align16.c | 117 ++++++++++++++++++++++
> > test/CodeGen/64bit-swiftcall-extvec-agg-align32.c | 116 +++++++++++++++++++++
> > test/CodeGen/64bit-swiftcall.c                    |  93 +----------------
> > 5 files changed, 258 insertions(+), 93 deletions(-)
> > create mode 100644 test/CodeGen/64bit-swiftcall-extvec-agg-align16.c
> > create mode 100644 test/CodeGen/64bit-swiftcall-extvec-agg-align32.c
> > 
> > diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
> > index e23a93e..54b5911 100644
> > --- a/lib/Basic/Targets.cpp
> > +++ b/lib/Basic/Targets.cpp
> > @@ -1753,6 +1753,17 @@ public:
> >     }
> >     return false;
> >   }
> > +
> > +  CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
> > +    switch (CC) {
> > +    case CC_C:
> > +    case CC_Swift:
> > +        return CCCR_OK;
> > +    default:
> > +        break;
> > +    }
> > +    return CCCR_Warning;
> > +  }
> > };
> > 
> > class DarwinPPC32TargetInfo : public DarwinTargetInfo<PPC32TargetInfo> {
> > diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
> > index 8d00e05..a82cd24 100644
> > --- a/lib/CodeGen/TargetInfo.cpp
> > +++ b/lib/CodeGen/TargetInfo.cpp
> > @@ -4179,7 +4179,7 @@ PPC32TargetCodeGenInfo::initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF,
> > 
> > namespace {
> > /// PPC64_SVR4_ABIInfo - The 64-bit PowerPC ELF (SVR4) ABI information.
> > -class PPC64_SVR4_ABIInfo : public ABIInfo {
> > +class PPC64_SVR4_ABIInfo : public SwiftABIInfo {
> > public:
> >   enum ABIKind {
> >     ELFv1 = 0,
> > @@ -4223,7 +4223,7 @@ private:
> > public:
> >   PPC64_SVR4_ABIInfo(CodeGen::CodeGenTypes &CGT, ABIKind Kind, bool HasQPX,
> >                      bool SoftFloatABI)
> > -      : ABIInfo(CGT), Kind(Kind), HasQPX(HasQPX),
> > +      : SwiftABIInfo(CGT), Kind(Kind), HasQPX(HasQPX),
> >         IsSoftFloatABI(SoftFloatABI) {}
> > 
> >   bool isPromotableTypeForABI(QualType Ty) const;
> > @@ -4266,6 +4266,16 @@ public:
> > 
> >   Address EmitVAArg(CodeGenFunction &CGF, Address VAListAddr,
> >                     QualType Ty) const override;
> > +
> > +  bool shouldPassIndirectlyForSwift(CharUnits totalSize,
> > +                                    ArrayRef<llvm::Type*> scalars,
> > +                                    bool asReturnValue) const override {
> > +    return occupiesMoreThan(CGT, scalars, /*total*/ 4);
> > +  }
> > +
> > +  bool isSwiftErrorInRegister() const override {
> > +    return true;
> > +  }
> > };
> > 
> > class PPC64_SVR4_TargetCodeGenInfo : public TargetCodeGenInfo {
> > diff --git a/test/CodeGen/64bit-swiftcall-extvec-agg-align16.c b/test/CodeGen/64bit-swiftcall-extvec-agg-align16.c
> > new file mode 100644
> > index 0000000..fa00484
> > --- /dev/null
> > +++ b/test/CodeGen/64bit-swiftcall-extvec-agg-align16.c
> > @@ -0,0 +1,117 @@
> > +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s
> > +// RUN: %clang_cc1 -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s
> > +
> > +// REQUIRES: aarch64-registered-target,x86-registered-target
> > +
> > +#define SWIFTCALL __attribute__((swiftcall))
> > +
> > +/*****************************************************************************/
> > +/********************************** LOWERING *********************************/
> > +/*****************************************************************************/
> > +
> > +typedef int int5 __attribute__((ext_vector_type(5)));
> > +typedef int int8 __attribute__((ext_vector_type(8)));
> > +
> > +#define TEST(TYPE)                       \
> > +  SWIFTCALL TYPE return_##TYPE(void) {   \
> > +    TYPE result = {};                    \
> > +    return result;                       \
> > +  }                                      \
> > +  SWIFTCALL void take_##TYPE(TYPE v) {   \
> > +  }                                      \
> > +  void test_##TYPE() {                   \
> > +    take_##TYPE(return_##TYPE());        \
> > +  }
> > +
> > +
> > +/*****************************************************************************/
> > +/****************************** VECTOR LEGALIZATION **************************/
> > +/*****************************************************************************/
> > +
> > +TEST(int8)
> > +// CHECK-LABEL: define {{.*}} @return_int8()
> > +// CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 16
> > +// CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> > +// CHECK:   store
> > +// CHECK:   load
> > +// CHECK:   store
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, <4 x i32> }]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] undef, <4 x i32> [[FIRST]], 0
> > +// CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
> > +// CHECK:   ret [[UAGG]] [[T1]]
> > +// CHECK-LABEL: define {{.*}} @take_int8(<4 x i32>, <4 x i32>)
> > +// CHECK:   [[V:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   store <4 x i32> %1, <4 x i32>* [[T0]], align
> > +// CHECK:   ret void
> > +// CHECK-LABEL: define void @test_int8()
> > +// CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CALL:%.*]] = call [[SWIFTCC:swiftcc]] [[UAGG]] @return_int8()
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
> > +// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
> > +// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > +// CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
> > +// CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   call [[SWIFTCC]] void @take_int8(<4 x i32> [[FIRST]], <4 x i32> [[SECOND]])
> > +// CHECK:   ret void
> > +
> > +TEST(int5)
> > +// CHECK-LABEL: define {{.*}} @return_int5()
> > +// CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 16
> > +// CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> > +// CHECK:   store
> > +// CHECK:   load
> > +// CHECK:   store
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, i32 }]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] undef, <4 x i32> [[FIRST]], 0
> > +// CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
> > +// CHECK:   ret [[UAGG]] [[T1]]
> > +// CHECK-LABEL: define {{.*}} @take_int5(<4 x i32>, i32)
> > +// CHECK:   [[V:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   store i32 %1, i32* [[T0]], align
> > +// CHECK:   ret void
> > +// CHECK-LABEL: define void @test_int5()
> > +// CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int5()
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
> > +// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
> > +// CHECK:   store i32 [[T1]], i32* [[T0]], align
> > +// CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
> > +// CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
> > +// CHECK:   call [[SWIFTCC]] void @take_int5(<4 x i32> [[FIRST]], i32 [[SECOND]])
> > +// CHECK:   ret void
> > diff --git a/test/CodeGen/64bit-swiftcall-extvec-agg-align32.c b/test/CodeGen/64bit-swiftcall-extvec-agg-align32.c
> > new file mode 100644
> > index 0000000..b94932b
> > --- /dev/null
> > +++ b/test/CodeGen/64bit-swiftcall-extvec-agg-align32.c
> > @@ -0,0 +1,116 @@
> > +// RUN: %clang_cc1 -triple powerpc64le-unknown-linux -emit-llvm -o - %s | FileCheck %s
> > +
> > +// REQUIRES: powerpc-registered-target
> > +
> > +#define SWIFTCALL __attribute__((swiftcall))
> > +
> > +/*****************************************************************************/
> > +/********************************** LOWERING *********************************/
> > +/*****************************************************************************/
> > +
> > +typedef int int5 __attribute__((ext_vector_type(5)));
> > +typedef int int8 __attribute__((ext_vector_type(8)));
> > +
> > +#define TEST(TYPE)                       \
> > +  SWIFTCALL TYPE return_##TYPE(void) {   \
> > +    TYPE result = {};                    \
> > +    return result;                       \
> > +  }                                      \
> > +  SWIFTCALL void take_##TYPE(TYPE v) {   \
> > +  }                                      \
> > +  void test_##TYPE() {                   \
> > +    take_##TYPE(return_##TYPE());        \
> > +  }
> > +
> > +
> > +/*****************************************************************************/
> > +/****************************** VECTOR LEGALIZATION **************************/
> > +/*****************************************************************************/
> > +
> > +TEST(int8)
> > +// CHECK-LABEL: define {{.*}} @return_int8()
> > +// CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 32
> > +// CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> > +// CHECK:   store
> > +// CHECK:   load
> > +// CHECK:   store
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, <4 x i32> }]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] undef, <4 x i32> [[FIRST]], 0
> > +// CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
> > +// CHECK:   ret [[UAGG]] [[T1]]
> > +// CHECK-LABEL: define {{.*}} @take_int8(<4 x i32>, <4 x i32>)
> > +// CHECK:   [[V:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   store <4 x i32> %1, <4 x i32>* [[T0]], align
> > +// CHECK:   ret void
> > +// CHECK-LABEL: define void @test_int8()
> > +// CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CALL:%.*]] = call [[SWIFTCC:swiftcc]] [[UAGG]] @return_int8()
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
> > +// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
> > +// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > +// CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
> > +// CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   call [[SWIFTCC]] void @take_int8(<4 x i32> [[FIRST]], <4 x i32> [[SECOND]])
> > +// CHECK:   ret void
> > +
> > +TEST(int5)
> > +// CHECK-LABEL: define {{.*}} @return_int5()
> > +// CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 32
> > +// CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> > +// CHECK:   store
> > +// CHECK:   load
> > +// CHECK:   store
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, i32 }]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] undef, <4 x i32> [[FIRST]], 0
> > +// CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
> > +// CHECK:   ret [[UAGG]] [[T1]]
> > +// CHECK-LABEL: define {{.*}} @take_int5(<4 x i32>, i32)
> > +// CHECK:   [[V:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   store i32 %1, i32* [[T0]], align
> > +// CHECK:   ret void
> > +// CHECK-LABEL: define void @test_int5()
> > +// CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
> > +// CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int5()
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
> > +// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
> > +// CHECK:   store i32 [[T1]], i32* [[T0]], align
> > +// CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
> > +// CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
> > +// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > +// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > +// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > +// CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
> > +// CHECK:   call [[SWIFTCC]] void @take_int5(<4 x i32> [[FIRST]], i32 [[SECOND]])
> > +// CHECK:   ret void
> > diff --git a/test/CodeGen/64bit-swiftcall.c b/test/CodeGen/64bit-swiftcall.c
> > index 92ba37c..21f182d 100644
> > --- a/test/CodeGen/64bit-swiftcall.c
> > +++ b/test/CodeGen/64bit-swiftcall.c
> > @@ -2,8 +2,9 @@
> > // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s --check-prefix=X86-64
> > // RUN: %clang_cc1 -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s
> > // RUN: %clang_cc1 -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM64
> > +// RUN: %clang_cc1 -triple powerpc64le-unknown-linux -emit-llvm -o - %s | FileCheck %s
> > 
> > -// REQUIRES: aarch64-registered-target,x86-registered-target
> > +// REQUIRES: powerpc-registered-target
> > 
> > #define SWIFTCALL __attribute__((swiftcall))
> > #define OUT __attribute__((swift_indirect_result))
> > @@ -69,8 +70,6 @@ typedef double double2 __attribute__((ext_vector_type(2)));
> > typedef double double4 __attribute__((ext_vector_type(4)));
> > typedef int int3 __attribute__((ext_vector_type(3)));
> > typedef int int4 __attribute__((ext_vector_type(4)));
> > -typedef int int5 __attribute__((ext_vector_type(5)));
> > -typedef int int8 __attribute__((ext_vector_type(8)));
> > typedef char char16 __attribute__((ext_vector_type(16)));
> > typedef short short8 __attribute__((ext_vector_type(8)));
> > typedef long long long2 __attribute__((ext_vector_type(2)));
> > @@ -371,94 +370,6 @@ TEST(int4)
> > // CHECK-LABEL: define {{.*}} <4 x i32> @return_int4()
> > // CHECK-LABEL: define {{.*}} @take_int4(<4 x i32>
> > 
> > -TEST(int8)
> > -// CHECK-LABEL: define {{.*}} @return_int8()
> > -// CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 16
> > -// CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> > -// CHECK:   store
> > -// CHECK:   load
> > -// CHECK:   store
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, <4 x i32> }]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] undef, <4 x i32> [[FIRST]], 0
> > -// CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
> > -// CHECK:   ret [[UAGG]] [[T1]]
> > -// CHECK-LABEL: define {{.*}} @take_int8(<4 x i32>, <4 x i32>)
> > -// CHECK:   [[V:%.*]] = alloca [[REC]], align
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   store <4 x i32> %1, <4 x i32>* [[T0]], align
> > -// CHECK:   ret void
> > -// CHECK-LABEL: define void @test_int8()
> > -// CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
> > -// CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
> > -// CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int8()
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
> > -// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
> > -// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > -// CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
> > -// CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > -// CHECK:   call [[SWIFTCC]] void @take_int8(<4 x i32> [[FIRST]], <4 x i32> [[SECOND]])
> > -// CHECK:   ret void
> > -
> > -TEST(int5)
> > -// CHECK-LABEL: define {{.*}} @return_int5()
> > -// CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 16
> > -// CHECK:   [[VAR:%.*]] = alloca [[REC]], align
> > -// CHECK:   store
> > -// CHECK:   load
> > -// CHECK:   store
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, i32 }]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] undef, <4 x i32> [[FIRST]], 0
> > -// CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
> > -// CHECK:   ret [[UAGG]] [[T1]]
> > -// CHECK-LABEL: define {{.*}} @take_int5(<4 x i32>, i32)
> > -// CHECK:   [[V:%.*]] = alloca [[REC]], align
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   store i32 %1, i32* [[T0]], align
> > -// CHECK:   ret void
> > -// CHECK-LABEL: define void @test_int5()
> > -// CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
> > -// CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
> > -// CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int5()
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
> > -// CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
> > -// CHECK:   store i32 [[T1]], i32* [[T0]], align
> > -// CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
> > -// CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
> > -// CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
> > -// CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
> > -// CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
> > -// CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
> > -// CHECK:   call [[SWIFTCC]] void @take_int5(<4 x i32> [[FIRST]], i32 [[SECOND]])
> > -// CHECK:   ret void
> > -
> > typedef struct {
> >   int x;
> >   int3 v __attribute__((packed));
> > -- 
> > 2.9.3
> > 
> 
> 
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