Add the clang library to the repo (with some of my changes, too).

1 files changed, 54 insertions, 0 deletions

diff --git a/clang/test/CodeGen/asm_arm.c b/clang/test/CodeGen/asm_arm.c
new file mode 100644
index 0000000..633bf55
--- /dev/null
+++ b/clang/test/CodeGen/asm_arm.c
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -triple armv6-unknown-unknown -emit-llvm -o - %s | FileCheck %s
+
+void test0(void) {
+	asm volatile("mov r0, r0" :: );
+}
+void test1(void) {
+	asm volatile("mov r0, r0" :::
+				 "cc", "memory" );
+}
+void test2(void) {
+	asm volatile("mov r0, r0" :::
+				 "r0", "r1", "r2", "r3");
+	asm volatile("mov r0, r0" :::
+				 "r4", "r5", "r6", "r8");
+}
+void test3(void) {
+	asm volatile("mov r0, r0" :::
+				 "a1", "a2", "a3", "a4");
+	asm volatile("mov r0, r0" :::
+				 "v1", "v2", "v3", "v5");
+}
+
+
+// {} should not be treated as asm variants.
+void test4(float *a, float *b) {
+  // CHECK: @test4
+  // CHECK: call void asm sideeffect "vld1.32 {d8[],d9[]}, 
+  __asm__ volatile (
+                    "vld1.32 {d8[],d9[]}, [%1,:32] \n\t"
+                    "vst1.32 {q4},        [%0,:128] \n\t"
+                    :: "r"(a), "r"(b));
+}
+
+// {sp, lr, pc} are the canonical names for {r13, r14, r15}.
+//
+// CHECK: @test5
+// CHECK: call void asm sideeffect "", "~{sp},~{lr},~{pc},~{sp},~{lr},~{pc}"()
+void test5() {
+  __asm__("" : : : "r13", "r14", "r15", "sp", "lr", "pc");
+}
+
+// CHECK: @test6
+// CHECK: call void asm sideeffect "", "
+// CHECK: ~{s0},~{s1},~{s2},~{s3},~{s4},~{s5},~{s6},~{s7},
+// CHECK: ~{s8},~{s9},~{s10},~{s11},~{s12},~{s13},~{s14},~{s15},
+// CHECK: ~{s16},~{s17},~{s18},~{s19},~{s20},~{s21},~{s22},~{s23},
+// CHECK: ~{s24},~{s25},~{s26},~{s27},~{s28},~{s29},~{s30},~{s31}"()
+void test6() {
+  __asm__("" : : :
+          "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
+          "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15",
+          "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23",
+          "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31");
+}