// If the argument is smaller than a slot, and this is a big-endian
// target, the argument will be right-adjusted in its slot.
- if (DirectSize < SlotSize && CGF.CGM.getDataLayout().isBigEndian()) {
+ if (DirectSize < SlotSize && CGF.CGM.getDataLayout().isBigEndian() &&
+ !DirectTy->isStructTy()) {
Addr = CGF.Builder.CreateConstInBoundsByteGEP(Addr, SlotSize - DirectSize);
}
--- /dev/null
+// RUN: %clang -O2 -target mips-linux-gnu -EB -S -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS
+// RUN: %clang -O2 -target mips64-linux-gnu -EB -S -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS64
+// RUN: %clang -O2 -target armeb-linux-gnueabihf -march=armv7a -EB -S -emit-llvm %s -o - | FileCheck %s -check-prefix=ARM
+
+#include <stdarg.h>
+#include <stdlib.h>
+
+struct tiny {
+ char c;
+};
+
+union data {
+ char c;
+};
+
+void fstr(int n, ...) {
+ struct tiny x;
+ va_list ap;
+ va_start (ap,n);
+ x = va_arg (ap, struct tiny);
+ if (x.c != 10)
+ abort();
+ va_end (ap);
+// MIPS-NOT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %argp.cur, i32 3
+// MIPS64-NOT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %argp.cur, i64 7
+// ARM-NOT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %argp.cur, i32 3
+}
+
+void funi(int n, ...) {
+ union data x;
+ va_list ap;
+ va_start (ap,n);
+ x = va_arg (ap, union data);
+ if (x.c != 10)
+ abort();
+ va_end (ap);
+// MIPS-NOT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %argp.cur, i32 3
+// MIPS64-NOT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %argp.cur, i64 7
+// ARM-NOT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %argp.cur, i32 3
+}
+
+void foo() {
+ struct tiny x[3];
+ union data y;
+ x[0].c = 10;
+ fstr(1, x[0]);
+ funi(1, y);
+}