1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/ARM64/register-pairing.ll b/test/CodeGen/ARM64/register-pairing.ll
new file mode 100644
index 0000000000..4de80d2d2e
--- /dev/null
+++ b/test/CodeGen/ARM64/register-pairing.ll
@@ -0,0 +1,53 @@
+; RUN: llc -mtriple=arm64-apple-ios < %s | FileCheck %s
+;
+; rdar://14075006
+
+define void @odd() nounwind {
+; CHECK-LABEL: odd:
+; CHECK: stp d15, d14, [sp, #-144]!
+; CHECK: stp d13, d12, [sp, #16]
+; CHECK: stp d11, d10, [sp, #32]
+; CHECK: stp d9, d8, [sp, #48]
+; CHECK: stp x28, x27, [sp, #64]
+; CHECK: stp x26, x25, [sp, #80]
+; CHECK: stp x24, x23, [sp, #96]
+; CHECK: stp x22, x21, [sp, #112]
+; CHECK: stp x20, x19, [sp, #128]
+; CHECK: movz x0, #42
+; CHECK: ldp x20, x19, [sp, #128]
+; CHECK: ldp x22, x21, [sp, #112]
+; CHECK: ldp x24, x23, [sp, #96]
+; CHECK: ldp x26, x25, [sp, #80]
+; CHECK: ldp x28, x27, [sp, #64]
+; CHECK: ldp d9, d8, [sp, #48]
+; CHECK: ldp d11, d10, [sp, #32]
+; CHECK: ldp d13, d12, [sp, #16]
+; CHECK: ldp d15, d14, [sp], #144
+  call void asm sideeffect "mov x0, #42", "~{x0},~{x19},~{x21},~{x23},~{x25},~{x27},~{d8},~{d10},~{d12},~{d14}"() nounwind
+  ret void
+}
+
+define void @even() nounwind {
+; CHECK-LABEL: even:
+; CHECK: stp d15, d14, [sp, #-144]!
+; CHECK: stp d13, d12, [sp, #16]
+; CHECK: stp d11, d10, [sp, #32]
+; CHECK: stp d9, d8, [sp, #48]
+; CHECK: stp x28, x27, [sp, #64]
+; CHECK: stp x26, x25, [sp, #80]
+; CHECK: stp x24, x23, [sp, #96]
+; CHECK: stp x22, x21, [sp, #112]
+; CHECK: stp x20, x19, [sp, #128]
+; CHECK: movz x0, #42
+; CHECK: ldp x20, x19, [sp, #128]
+; CHECK: ldp x22, x21, [sp, #112]
+; CHECK: ldp x24, x23, [sp, #96]
+; CHECK: ldp x26, x25, [sp, #80]
+; CHECK: ldp x28, x27, [sp, #64]
+; CHECK: ldp d9, d8, [sp, #48]
+; CHECK: ldp d11, d10, [sp, #32]
+; CHECK: ldp d13, d12, [sp, #16]
+; CHECK: ldp d15, d14, [sp], #144
+  call void asm sideeffect "mov x0, #42", "~{x0},~{x20},~{x22},~{x24},~{x26},~{x28},~{d9},~{d11},~{d13},~{d15}"() nounwind
+  ret void
+}