Update LLVM for 3.5 rebase (r209712).

Change-Id: I149556c940fb7dc92d075273c87ff584f400941f

1 files changed, 122 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/func-argpassing-endian.ll b/test/CodeGen/ARM/func-argpassing-endian.ll
new file mode 100644
index 0000000000..26f0597a05
--- /dev/null
+++ b/test/CodeGen/ARM/func-argpassing-endian.ll
@@ -0,0 +1,122 @@
+; RUN: llc -verify-machineinstrs < %s -mtriple=arm-eabi -mattr=v7,neon | FileCheck --check-prefix=CHECK --check-prefix=CHECK-LE %s
+; RUN: llc -verify-machineinstrs < %s -mtriple=armeb-eabi -mattr=v7,neon | FileCheck --check-prefix=CHECK --check-prefix=CHECK-BE %s
+
+@var32 = global i32 0
+@vardouble = global double 0.0
+
+define void @arg_longint( i64 %val ) {
+; CHECK-LABEL: arg_longint:
+; CHECK-LE: str r0, [r1]
+; CHECK-BE: str r1, [r0]
+   %tmp = trunc i64 %val to i32 
+   store i32 %tmp, i32* @var32
+   ret void
+}
+
+define void @arg_double( double %val ) {
+; CHECK-LABEL: arg_double:
+; CHECK: strd r0, r1, [r2]
+    store double  %val, double* @vardouble
+    ret void
+}
+
+define void @arg_v4i32(<4 x i32> %vec ) {
+; CHECK-LABEL: arg_v4i32:
+; CHECK-LE: vmov {{d[0-9]+}}, r2, r3
+; CHECK-LE: vmov [[ARG_V4I32_REG:d[0-9]+]], r0, r1
+; CHECK-BE: vmov {{d[0-9]+}}, r3, r2
+; CHECK-BE: vmov [[ARG_V4I32_REG:d[0-9]+]], r1, r0
+; CHECK: vst1.32 {[[ARG_V4I32_REG]][0]}, [r0:32]
+    %tmp = extractelement <4 x i32> %vec, i32 0
+    store i32 %tmp, i32* @var32
+    ret void
+}
+
+define void @arg_v2f64(<2 x double> %vec ) {
+; CHECK-LABEL: arg_v2f64:
+; CHECK: strd r0, r1, [r2]
+    %tmp = extractelement <2 x double> %vec, i32 0
+    store double %tmp, double* @vardouble
+    ret void
+}
+
+define i64 @return_longint() {
+; CHECK-LABEL: return_longint:
+; CHECK-LE: mov r0, #42
+; CHECK-LE: mov r1, #0
+; CHECK-BE: mov r0, #0
+; CHECK-BE: mov r1, #42
+    ret i64 42
+}
+
+define double @return_double() {
+; CHECK-LABEL: return_double:
+; CHECK-LE: vmov r0, r1, {{d[0-9]+}}
+; CHECK-BE: vmov r1, r0, {{d[0-9]+}}
+    ret double 1.0
+}
+
+define <4 x i32> @return_v4i32() {
+; CHECK-LABEL: return_v4i32:
+; CHECK-LE: vmov r0, r1, {{d[0-9]+}}
+; CHECK-LE: vmov r2, r3, {{d[0-9]+}}
+; CHECK-BE: vmov r1, r0, {{d[0-9]+}}
+; CHECK-BE: vmov r3, r2, {{d[0-9]+}}
+   ret < 4 x i32> < i32 42, i32 43, i32 44, i32 45 >
+}
+
+define <2 x double> @return_v2f64() {
+; CHECK-LABEL: return_v2f64:
+; CHECK-LE: vmov r0, r1, {{d[0-9]+}}
+; CHECK-LE: vmov r2, r3, {{d[0-9]+}}
+; CHECK-BE: vmov r1, r0, {{d[0-9]+}}
+; CHECK-BE: vmov r3, r2, {{d[0-9]+}}
+   ret <2 x double> < double 3.14, double 6.28 >
+}
+
+define void @caller_arg_longint() {
+; CHECK-LABEL: caller_arg_longint:
+; CHECK-LE: mov r0, #42
+; CHECK-LE: mov r1, #0
+; CHECK-BE: mov r0, #0
+; CHECK-BE: mov r1, #42
+   call void @arg_longint( i64 42 )
+   ret void
+}
+
+define void @caller_arg_double() {
+; CHECK-LABEL: caller_arg_double:
+; CHECK-LE: vmov r0, r1, {{d[0-9]+}}
+; CHECK-BE: vmov r1, r0, {{d[0-9]+}}
+   call void @arg_double( double 1.0 )
+   ret void
+}
+
+define void @caller_return_longint() {
+; CHECK-LABEL: caller_return_longint:
+; CHECK-LE: str r0, [r1]
+; CHECK-BE: str r1, [r0]
+   %val = call i64 @return_longint()
+   %tmp = trunc i64 %val to i32 
+   store i32 %tmp, i32* @var32
+   ret void
+}
+
+define void @caller_return_double() {
+; CHECK-LABEL: caller_return_double:
+; CHECK-LE: vmov {{d[0-9]+}}, r0, r1
+; CHECK-BE: vmov {{d[0-9]+}}, r1, r0
+  %val = call double @return_double( )
+  %tmp = fadd double %val, 3.14
+  store double  %tmp, double* @vardouble
+  ret void
+}
+
+define void @caller_return_v2f64() {
+; CHECK-LABEL: caller_return_v2f64:
+; CHECK: strd r0, r1, [r2]
+   %val = call <2 x double> @return_v2f64( )
+   %tmp = extractelement <2 x double> %val, i32 0
+    store double %tmp, double* @vardouble
+    ret void
+}