r186490 - Propagate alignment for _Complex
Richard Smith
richard at metafoo.co.uk
Wed Jul 17 18:08:15 PDT 2013
On Wed, Jul 17, 2013 at 5:45 PM, JF Bastien <jfb at google.com> wrote:
> The issue seems to be that i386 sets double alignment at 32-bits, and
> that's used in ASTContext.cpp (case Type::Complex) to determine a _Complex
> double's alignment. I'm not sure if that's the right thing to do: the C
> standard says "alignment requirements as an array type containing exactly
> two elements of the corresponding real type", and I can't figure out if
> arrays have extra alignment requirements compared to their base type.
>
C11 6.5.3.4p3: "The _Alignof operator yields the alignment requirement of
its operand type. [...] When applied to an array
type, the result is the alignment requirement of the element type."
> A simple workaround is to run the test with a specific triple, say
> x86-64-unknown-unknown. Should I commit such a change, until the above can
> be resolved?
>
Adding a triple to the test is correct regardless of i386-specific
behavior: there's no reason to think that the alignment of double should be
8 for all targets.
> On Wed, Jul 17, 2013 at 5:05 PM, Quentin Colombet <qcolombet at apple.com>wrote:
>
>> Hi jfb,
>>
>> This breaks a buildbot:
>> http://lab.llvm.org:8013/builders/clang-i386-darwin11-RA/builds/1255
>>
>> ******************** TEST 'Clang :: CodeGen/volatile-complex.c' FAILED ********************
>> Script:
>> --
>> /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-i386-darwin11-RA/clang-build/Release+Asserts/bin/clang -cc1 -internal-isystem /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-i386-darwin11-RA/clang-build/Release+Asserts/bin/../lib/clang/3.4/include -emit-llvm /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-i386-darwin11-RA/clang.src/test/CodeGen/volatile-complex.c -o - | FileCheck /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-i386-darwin11-RA/clang.src/test/CodeGen/volatile-complex.c
>> --
>> Exit Code: 1
>> Command Output (stderr):
>> --
>> /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-i386-darwin11-RA/clang.src/test/CodeGen/volatile-complex.c:25:17: error: expected string not found in input
>> // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
>> ^
>> <stdin>:26:2: note: scanning from here
>> %cd.imag = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 4
>> ^
>> <stdin>:26:13: note: possible intended match here
>> %cd.imag = load volatile double* getelementptr inbounds ({ double, double }* @cd, i32 0, i32 1), align 4
>> ^
>> --
>>
>> ********************
>>
>> Could you have a look please?
>>
>> Thanks,
>>
>> -Quentin
>>
>> On Jul 16, 2013, at 10:57 PM, JF Bastien <jfb at google.com> wrote:
>>
>> Author: jfb
>> Date: Wed Jul 17 00:57:42 2013
>> New Revision: 186490
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=186490&view=rev
>> Log:
>> Propagate alignment for _Complex
>>
>> _Complex load/store didn't have their alignment set properly, which was
>> visible when GCC's torture tests use volatile _Complex.
>>
>> Update some existing tests to check for alignment, and add a new test
>> which also has over-aligned volatile _Complex (since the imaginary part
>> shouldn't be overaligned, only the real part).
>>
>> Added:
>> cfe/trunk/test/CodeGen/volatile-complex.c (with props)
>> Modified:
>> cfe/trunk/lib/CodeGen/CGExprComplex.cpp
>> cfe/trunk/test/CodeGen/volatile-1.c
>> cfe/trunk/test/CodeGen/volatile-2.c
>>
>> Modified: cfe/trunk/lib/CodeGen/CGExprComplex.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprComplex.cpp?rev=186490&r1=186489&r2=186490&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/lib/CodeGen/CGExprComplex.cpp (original)
>> +++ cfe/trunk/lib/CodeGen/CGExprComplex.cpp Wed Jul 17 00:57:42 2013
>> @@ -18,6 +18,7 @@
>> #include "llvm/ADT/SmallString.h"
>> #include "llvm/IR/Constants.h"
>> #include "llvm/IR/Function.h"
>> +#include <algorithm>
>> using namespace clang;
>> using namespace CodeGen;
>>
>> @@ -297,19 +298,26 @@ ComplexPairTy ComplexExprEmitter::EmitLo
>>
>> llvm::Value *SrcPtr = lvalue.getAddress();
>> bool isVolatile = lvalue.isVolatileQualified();
>> + unsigned AlignR = lvalue.getAlignment().getQuantity();
>> + ASTContext &C = CGF.getContext();
>> + QualType ComplexTy = lvalue.getType();
>> + unsigned ComplexAlign = C.getTypeAlignInChars(ComplexTy).getQuantity();
>> + unsigned AlignI = std::min(AlignR, ComplexAlign);
>>
>> llvm::Value *Real=0, *Imag=0;
>>
>> if (!IgnoreReal || isVolatile) {
>> llvm::Value *RealP = Builder.CreateStructGEP(SrcPtr, 0,
>> SrcPtr->getName() +
>> ".realp");
>> - Real = Builder.CreateLoad(RealP, isVolatile, SrcPtr->getName() +
>> ".real");
>> + Real = Builder.CreateAlignedLoad(RealP, AlignR, isVolatile,
>> + SrcPtr->getName() + ".real");
>> }
>>
>> if (!IgnoreImag || isVolatile) {
>> llvm::Value *ImagP = Builder.CreateStructGEP(SrcPtr, 1,
>> SrcPtr->getName() +
>> ".imagp");
>> - Imag = Builder.CreateLoad(ImagP, isVolatile, SrcPtr->getName() +
>> ".imag");
>> + Imag = Builder.CreateAlignedLoad(ImagP, AlignI, isVolatile,
>> + SrcPtr->getName() + ".imag");
>> }
>> return ComplexPairTy(Real, Imag);
>> }
>> @@ -325,10 +333,16 @@ void ComplexExprEmitter::EmitStoreOfComp
>> llvm::Value *Ptr = lvalue.getAddress();
>> llvm::Value *RealPtr = Builder.CreateStructGEP(Ptr, 0, "real");
>> llvm::Value *ImagPtr = Builder.CreateStructGEP(Ptr, 1, "imag");
>> -
>> - // TODO: alignment
>> - Builder.CreateStore(Val.first, RealPtr, lvalue.isVolatileQualified());
>> - Builder.CreateStore(Val.second, ImagPtr, lvalue.isVolatileQualified());
>> + unsigned AlignR = lvalue.getAlignment().getQuantity();
>> + ASTContext &C = CGF.getContext();
>> + QualType ComplexTy = lvalue.getType();
>> + unsigned ComplexAlign = C.getTypeAlignInChars(ComplexTy).getQuantity();
>> + unsigned AlignI = std::min(AlignR, ComplexAlign);
>> +
>> + Builder.CreateAlignedStore(Val.first, RealPtr, AlignR,
>> + lvalue.isVolatileQualified());
>> + Builder.CreateAlignedStore(Val.second, ImagPtr, AlignI,
>> + lvalue.isVolatileQualified());
>> }
>>
>>
>>
>> Modified: cfe/trunk/test/CodeGen/volatile-1.c
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/volatile-1.c?rev=186490&r1=186489&r2=186490&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/test/CodeGen/volatile-1.c (original)
>> +++ cfe/trunk/test/CodeGen/volatile-1.c Wed Jul 17 00:57:42 2013
>> @@ -26,45 +26,45 @@ int printf(const char *, ...);
>> void test() {
>> // CHECK: load volatile [[INT]]* @i
>> i;
>> - // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 1), align 4
>> // CHECK-NEXT: sitofp [[INT]]
>> (float)(ci);
>> - // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: load volatile [[INT]]* getelementptr inbounds
>> ([[CINT]]* @ci, i32 0, i32 1), align 4
>> (void)ci;
>> // CHECK-NEXT: bitcast
>> // CHECK-NEXT: memcpy
>> (void)a;
>> - // CHECK-NEXT: [[R:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: [[I:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> - // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: [[R:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> + // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> (void)(ci=ci);
>> // CHECK-NEXT: [[T:%.*]] = load volatile [[INT]]* @j
>> // CHECK-NEXT: store volatile [[INT]] [[T]], [[INT]]* @i
>> (void)(i=j);
>> - // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> - // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> + // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> // Not sure why they're ordered this way.
>> // CHECK-NEXT: [[R:%.*]] = add [[INT]] [[R2]], [[R1]]
>> // CHECK-NEXT: [[I:%.*]] = add [[INT]] [[I2]], [[I1]]
>> - // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> ci+=ci;
>>
>> - // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> - // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: [[R1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I1:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> + // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> // CHECK-NEXT: [[R:%.*]] = add [[INT]] [[R2]], [[R1]]
>> // CHECK-NEXT: [[I:%.*]] = add [[INT]] [[I2]], [[I1]]
>> - // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> - // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0)
>> - // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1)
>> + // CHECK-NEXT: store volatile [[INT]] [[R]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: store volatile [[INT]] [[I]], [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> + // CHECK-NEXT: [[R2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I2:%.*]] = load volatile [[INT]]* getelementptr
>> inbounds ([[CINT]]* @ci, i32 0, i32 1), align 4
>> // These additions can be elided
>> // CHECK-NEXT: add [[INT]] [[R]], [[R2]]
>> // CHECK-NEXT: add [[INT]] [[I]], [[I2]]
>>
>> Modified: cfe/trunk/test/CodeGen/volatile-2.c
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/volatile-2.c?rev=186490&r1=186489&r2=186490&view=diff
>>
>> ==============================================================================
>> --- cfe/trunk/test/CodeGen/volatile-2.c (original)
>> +++ cfe/trunk/test/CodeGen/volatile-2.c Wed Jul 17 00:57:42 2013
>> @@ -3,8 +3,8 @@
>> void test0() {
>> // CHECK: define void @test0()
>> // CHECK: [[F:%.*]] = alloca float
>> - // CHECK-NEXT: [[REAL:%.*]] = load volatile float* getelementptr
>> inbounds ({ float, float }* @test0_v, i32 0, i32 0)
>> - // CHECK-NEXT: load volatile float* getelementptr inbounds ({{.*}}
>> @test0_v, i32 0, i32 1)
>> + // CHECK-NEXT: [[REAL:%.*]] = load volatile float* getelementptr
>> inbounds ({ float, float }* @test0_v, i32 0, i32 0), align 4
>> + // CHECK-NEXT: load volatile float* getelementptr inbounds ({{.*}}
>> @test0_v, i32 0, i32 1), align 4
>> // CHECK-NEXT: store float [[REAL]], float* [[F]], align 4
>> // CHECK-NEXT: ret void
>> extern volatile _Complex float test0_v;
>> @@ -13,10 +13,10 @@ void test0() {
>>
>> void test1() {
>> // CHECK: define void @test1()
>> - // CHECK: [[REAL:%.*]] = load volatile float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 0)
>> - // CHECK-NEXT: [[IMAG:%.*]] = load volatile float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 1)
>> - // CHECK-NEXT: store volatile float [[REAL]], float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 0)
>> - // CHECK-NEXT: store volatile float [[IMAG]], float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 1)
>> + // CHECK: [[REAL:%.*]] = load volatile float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[IMAG:%.*]] = load volatile float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 1), align 4
>> + // CHECK-NEXT: store volatile float [[REAL]], float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 0), align 4
>> + // CHECK-NEXT: store volatile float [[IMAG]], float* getelementptr
>> inbounds ({{.*}} @test1_v, i32 0, i32 1), align 4
>> // CHECK-NEXT: ret void
>> extern volatile _Complex float test1_v;
>> test1_v = test1_v;
>>
>> Added: cfe/trunk/test/CodeGen/volatile-complex.c
>> URL:
>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/volatile-complex.c?rev=186490&view=auto
>>
>> ==============================================================================
>> --- cfe/trunk/test/CodeGen/volatile-complex.c (added)
>> +++ cfe/trunk/test/CodeGen/volatile-complex.c Wed Jul 17 00:57:42 2013
>> @@ -0,0 +1,63 @@
>> +// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
>> +
>> +volatile _Complex float cf;
>> +volatile _Complex double cd;
>> +volatile _Complex float cf32 __attribute__((aligned(32)));
>> +volatile _Complex double cd32 __attribute__((aligned(32)));
>> +
>> +
>> +// CHECK: define void @test_cf()
>> +// CHECK-NEXT: entry:
>> +void test_cf() {
>> + // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float,
>> float }* @cf, i32 0, i32 0), align 4
>> + // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float,
>> float }* @cf, i32 0, i32 1), align 4
>> + (void)(cf);
>> + // CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds
>> ({ float, float }* @cf, i32 0, i32 0), align 4
>> + // CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds
>> ({ float, float }* @cf, i32 0, i32 1), align 4
>> + // CHECK-NEXT: store volatile float [[R]], float* getelementptr
>> inbounds ({ float, float }* @cf, i32 0, i32 0), align 4
>> + // CHECK-NEXT: store volatile float [[I]], float* getelementptr
>> inbounds ({ float, float }* @cf, i32 0, i32 1), align 4
>> + (void)(cf=cf);
>> + // CHECK-NEXT: ret void
>> +}
>> +
>> +// CHECK: define void @test_cd()
>> +// CHECK-NEXT: entry:
>> +void test_cd() {
>> + // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double,
>> double }* @cd, i32 0, i32 0), align 8
>> + // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double,
>> double }* @cd, i32 0, i32 1), align 8
>> + (void)(cd);
>> + // CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr
>> inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
>> + // CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr
>> inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
>> + // CHECK-NEXT: store volatile double [[R]], double* getelementptr
>> inbounds ({ double, double }* @cd, i32 0, i32 0), align 8
>> + // CHECK-NEXT: store volatile double [[I]], double* getelementptr
>> inbounds ({ double, double }* @cd, i32 0, i32 1), align 8
>> + (void)(cd=cd);
>> + // CHECK-NEXT: ret void
>> +}
>> +
>> +// CHECK: define void @test_cf32()
>> +// CHECK-NEXT: entry:
>> +void test_cf32() {
>> + // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float,
>> float }* @cf32, i32 0, i32 0), align 32
>> + // CHECK-NEXT: load volatile float* getelementptr inbounds ({ float,
>> float }* @cf32, i32 0, i32 1), align 4
>> + (void)(cf32);
>> + // CHECK-NEXT: [[R:%.*]] = load volatile float* getelementptr inbounds
>> ({ float, float }* @cf32, i32 0, i32 0), align 32
>> + // CHECK-NEXT: [[I:%.*]] = load volatile float* getelementptr inbounds
>> ({ float, float }* @cf32, i32 0, i32 1), align 4
>> + // CHECK-NEXT: store volatile float [[R]], float* getelementptr
>> inbounds ({ float, float }* @cf32, i32 0, i32 0), align 32
>> + // CHECK-NEXT: store volatile float [[I]], float* getelementptr
>> inbounds ({ float, float }* @cf32, i32 0, i32 1), align 4
>> + (void)(cf32=cf32);
>> + // CHECK-NEXT: ret void
>> +}
>> +
>> +// CHECK: define void @test_cd32()
>> +// CHECK-NEXT: entry:
>> +void test_cd32() {
>> + // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double,
>> double }* @cd32, i32 0, i32 0), align 32
>> + // CHECK-NEXT: load volatile double* getelementptr inbounds ({ double,
>> double }* @cd32, i32 0, i32 1), align 8
>> + (void)(cd32);
>> + // CHECK-NEXT: [[R:%.*]] = load volatile double* getelementptr
>> inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
>> + // CHECK-NEXT: [[I:%.*]] = load volatile double* getelementptr
>> inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
>> + // CHECK-NEXT: store volatile double [[R]], double* getelementptr
>> inbounds ({ double, double }* @cd32, i32 0, i32 0), align 32
>> + // CHECK-NEXT: store volatile double [[I]], double* getelementptr
>> inbounds ({ double, double }* @cd32, i32 0, i32 1), align 8
>> + (void)(cd32=cd32);
>> + // CHECK-NEXT: ret void
>> +}
>>
>> Propchange: cfe/trunk/test/CodeGen/volatile-complex.c
>>
>> ------------------------------------------------------------------------------
>> svn:eol-style = LF
>>
>>
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