Make sure EmitMoveFromReturnSlot is passing the correct alignment to
EmitFinalDestCopy (and thus pass EmitAggregateCopy the correct alignment). rdar://11220251 llvm-svn: 154883
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@ -238,7 +238,7 @@ void AggExprEmitter::EmitMoveFromReturnSlot(const Expr *E, RValue Src) {
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// Otherwise, do a final copy,
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assert(Dest.getAddr() != Src.getAggregateAddr());
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EmitFinalDestCopy(E, Src, /*Ignore*/ true);
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EmitFinalDestCopy(E, Src, /*Ignore*/ true, Dest.getAlignment().getQuantity());
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}
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/// EmitFinalDestCopy - Perform the final copy to DestPtr, if desired.
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@ -4,6 +4,7 @@ struct X { int x[6]; };
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struct Y { char x[13]; struct X y; } __attribute((packed));
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struct Y g;
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void f(struct X);
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struct X foo(void);
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// <rdar://problem/10463337>
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struct X test1() {
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@ -37,3 +38,10 @@ int test5() {
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// CHECK: load i32* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1, i32 0, i64 0), align 1
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return g.y.x[0];
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}
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// <rdar://problem/11220251>
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void test6() {
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// CHECK: @test6
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i8* %0, i64 24, i32 1, i1 false)
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g.y = foo();
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}
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