1 files changed, 111 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/aapcs-hfa-code.ll b/test/CodeGen/ARM/aapcs-hfa-code.ll
new file mode 100644
index 0000000..396e838
--- /dev/null
+++ b/test/CodeGen/ARM/aapcs-hfa-code.ll
@@ -0,0 +1,111 @@
+; RUN: llc < %s -mtriple=armv7-linux-gnueabihf -o - | FileCheck %s
+; RUN: llc < %s -mtriple=thumbv7em-none-eabi -mcpu=cortex-m4 | FileCheck %s --check-prefix=CHECK-M4F
+
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define arm_aapcs_vfpcc void @test_1float({ float } %a) {
+  call arm_aapcs_vfpcc void @test_1float({ float } { float 1.0 })
+  ret void
+
+; CHECK-LABEL: test_1float:
+; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00
+; CHECK: bl test_1float
+
+; CHECK-M4F-LABEL: test_1float:
+; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00
+; CHECK-M4F: bl test_1float
+}
+
+define arm_aapcs_vfpcc void @test_2float({ float, float } %a) {
+  call arm_aapcs_vfpcc void @test_2float({ float, float } { float 1.0, float 2.0 })
+  ret void
+
+; CHECK-LABEL: test_2float:
+; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00
+; CHECK-DAG: vmov.f32 s1, #2.{{0+}}e+00
+; CHECK: bl test_2float
+
+; CHECK-M4F-LABEL: test_2float:
+; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00
+; CHECK-M4F-DAG: vmov.f32 s1, #2.{{0+}}e+00
+; CHECK-M4F: bl test_2float
+}
+
+define arm_aapcs_vfpcc void @test_3float({ float, float, float } %a) {
+  call arm_aapcs_vfpcc void @test_3float({ float, float, float } { float 1.0, float 2.0, float 3.0 })
+  ret void
+
+; CHECK-LABEL: test_3float:
+; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00
+; CHECK-DAG: vmov.f32 s1, #2.{{0+}}e+00
+; CHECK-DAG: vmov.f32 s2, #3.{{0+}}e+00
+; CHECK: bl test_3float
+
+; CHECK-M4F-LABEL: test_3float:
+; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00
+; CHECK-M4F-DAG: vmov.f32 s1, #2.{{0+}}e+00
+; CHECK-M4F-DAG: vmov.f32 s2, #3.{{0+}}e+00
+; CHECK-M4F: bl test_3float
+}
+
+define arm_aapcs_vfpcc void @test_1double({ double } %a) {
+; CHECK-LABEL: test_1double:
+; CHECK-DAG: vmov.f64 d0, #1.{{0+}}e+00
+; CHECK: bl test_1double
+
+; CHECK-M4F-LABEL: test_1double:
+; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0
+; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0
+; CHECK-M4F: movt [[ONEHI]], #16368
+; CHECK-M4F-DAG: vmov s0, [[ONELO]]
+; CHECK-M4F-DAG: vmov s1, [[ONEHI]]
+; CHECK-M4F: bl test_1double
+
+  call arm_aapcs_vfpcc void @test_1double({ double } { double 1.0 })
+  ret void
+}
+
+; Final double argument might be put in s15 & [sp] if we're careless. It should
+; go all on the stack.
+define arm_aapcs_vfpcc void @test_1double_nosplit([4 x float], [4 x double], [3 x float], double %a) {
+; CHECK-LABEL: test_1double_nosplit:
+; CHECK-DAG: mov [[ONELO:r[0-9]+]], #0
+; CHECK-DAG: movw [[ONEHI:r[0-9]+]], #0
+; CHECK-DAG: movt [[ONEHI]], #16368
+; CHECK: strd [[ONELO]], [[ONEHI]], [sp]
+; CHECK: bl test_1double_nosplit
+
+; CHECK-M4F-LABEL: test_1double_nosplit:
+; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0
+; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0
+; CHECK-M4F: movt [[ONEHI]], #16368
+; CHECK-M4F-DAG: str [[ONELO]], [sp]
+; CHECK-M4F-DAG: str [[ONEHI]], [sp, #4]
+; CHECK-M4F: bl test_1double_nosplit
+  call arm_aapcs_vfpcc void @test_1double_nosplit([4 x float] undef, [4 x double] undef, [3 x float] undef, double 1.0)
+  ret void
+}
+
+; Final double argument might go at [sp, #4] if we're careless. Should go at
+; [sp, #8] to preserve alignment.
+define arm_aapcs_vfpcc void @test_1double_misaligned([4 x double], [4 x double], float, double) {
+  call arm_aapcs_vfpcc void @test_1double_misaligned([4 x double] undef, [4 x double] undef, float undef, double 1.0)
+
+; CHECK-LABEL: test_1double_misaligned:
+; CHECK-DAG: mov [[ONELO:r[0-9]+]], #0
+; CHECK-DAG: mov r[[BASE:[0-9]+]], sp
+; CHECK-DAG: movw [[ONEHI:r[0-9]+]], #0
+; CHECK-DAG: movt [[ONEHI]], #16368
+; CHECK-DAG: str [[ONELO]], [r[[BASE]], #8]!
+; CHECK-DAG: str [[ONEHI]], [r[[BASE]], #4]
+
+; CHECK-M4F-LABEL: test_1double_misaligned:
+; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0
+; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0
+; CHECK-M4F: movt [[ONEHI]], #16368
+; CHECK-M4F-DAG: str [[ONELO]], [sp, #8]
+; CHECK-M4F-DAG: str [[ONEHI]], [sp, #12]
+; CHECK-M4F: bl test_1double_misaligned
+
+  ret void
+}