ARM64: remove holes from *all* HFAs on the stack.

My first attempt to make sure HFAs were contiguous was in the block dealing
with padding registers, which meant it only triggered on the first stack-based
HFA. This should extend it to the rest as well.

Another part of PR19432.

llvm-svn: 206456

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/test/CodeGen/arm64-aapcs-arguments.c b/clang/test/CodeGen/arm64-aapcs-arguments.c
index 283296c4ca4..1deeb2530f4 100644
--- a/clang/test/CodeGen/arm64-aapcs-arguments.c
+++ b/clang/test/CodeGen/arm64-aapcs-arguments.c
@@ -12,3 +12,12 @@ void test1(int x0, __int128 x2_x3, __int128 x4_x5, __int128 x6_x7, Small sp) {
 // CHECK: void @test2(i32 %x0, i128 %x2_x3.coerce, i32 %x4, i128 %x6_x7.coerce, i32 %sp, i128 %sp16.coerce)
 void test2(int x0, Small x2_x3, int x4, Small x6_x7, int sp, Small sp16) {
 }
+
+// We coerce HFAs into a contiguous [N x double] type if they're going on the
+// stack in order to avoid holes. Make sure we get all of them, and not just the
+// first:
+
+// CHECK: void @test3(float %s0_s3.0, float %s0_s3.1, float %s0_s3.2, float %s0_s3.3, float %s4, [3 x float], [2 x double] %sp.coerce, [2 x double] %sp16.coerce)
+typedef struct { float arr[4]; } HFA;
+void test3(HFA s0_s3, float s4, HFA sp, HFA sp16) {
+}