1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/cconv/arguments-fp128.ll b/test/CodeGen/Mips/cconv/arguments-fp128.ll
new file mode 100644
index 0000000..c8cd8fd
--- /dev/null
+++ b/test/CodeGen/Mips/cconv/arguments-fp128.ll
@@ -0,0 +1,51 @@
+; RUN: llc -march=mips64 -relocation-model=static -soft-float -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 %s
+; RUN: llc -march=mips64el -relocation-model=static -soft-float -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 %s
+
+; RUN: llc -march=mips64 -relocation-model=static -soft-float -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM64 %s
+; RUN: llc -march=mips64el -relocation-model=static -soft-float -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM64 %s
+
+; Test the fp128 arguments for all ABI's and byte orders as specified
+; by section 2 of the MIPSpro N32 Handbook.
+;
+; O32 is not tested because long double is the same as double on O32.
+
+@ldoubles = global [11 x fp128] zeroinitializer
+
+define void @ldouble_args(fp128 %a, fp128 %b, fp128 %c, fp128 %d, fp128 %e) nounwind {
+entry:
+        %0 = getelementptr [11 x fp128]* @ldoubles, i32 0, i32 1
+        store volatile fp128 %a, fp128* %0
+        %1 = getelementptr [11 x fp128]* @ldoubles, i32 0, i32 2
+        store volatile fp128 %b, fp128* %1
+        %2 = getelementptr [11 x fp128]* @ldoubles, i32 0, i32 3
+        store volatile fp128 %c, fp128* %2
+        %3 = getelementptr [11 x fp128]* @ldoubles, i32 0, i32 4
+        store volatile fp128 %d, fp128* %3
+        %4 = getelementptr [11 x fp128]* @ldoubles, i32 0, i32 5
+        store volatile fp128 %e, fp128* %4
+        ret void
+}
+
+; ALL-LABEL: ldouble_args:
+; We won't test the way the global address is calculated in this test. This is
+; just to get the register number for the other checks.
+; SYM32-DAG:           addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(ldoubles)
+; SYM64-DAG:           ld [[R2:\$[0-9]]], %got_disp(ldoubles)(
+
+; The first four arguments are the same in N32/N64.
+; The first argument is floating point but soft-float is enabled so floating
+; point registers are not used.
+; ALL-DAG:           sd $4, 16([[R2]])
+; ALL-DAG:           sd $5, 24([[R2]])
+; ALL-DAG:           sd $6, 32([[R2]])
+; ALL-DAG:           sd $7, 40([[R2]])
+; ALL-DAG:           sd $8, 48([[R2]])
+; ALL-DAG:           sd $9, 56([[R2]])
+; ALL-DAG:           sd $10, 64([[R2]])
+; ALL-DAG:           sd $11, 72([[R2]])
+
+; N32/N64 have run out of registers and starts using the stack too
+; ALL-DAG:           ld [[R3:\$[0-9]+]], 0($sp)
+; ALL-DAG:           ld [[R4:\$[0-9]+]], 8($sp)
+; ALL-DAG:           sd [[R3]], 80([[R2]])
+; ALL-DAG:           sd [[R4]], 88([[R2]])