From: David Green <david.green@arm.com>
Date: Sun, 11 Aug 2019 09:12:57 +0000 (+0000)
Subject: [ARM] MVE spill vector test. NFC
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1c183010764cf575587f8536db0d179d1ef3e657;p=llvm

[ARM] MVE spill vector test. NFC


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@368531 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/Thumb2/mve-vector-spill.ll b/test/CodeGen/Thumb2/mve-vector-spill.ll
new file mode 100644
index 00000000000..f7a0a04af79
--- /dev/null
+++ b/test/CodeGen/Thumb2/mve-vector-spill.ll
@@ -0,0 +1,163 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -O0 -mattr=+mve %s -o - | FileCheck %s
+
+declare void @external_function()
+
+define arm_aapcs_vfpcc void @spill_vector_i32(<4 x i32> %v, <4 x i32>* %p) {
+; CHECK-LABEL: spill_vector_i32:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #40
+; CHECK-NEXT:    sub sp, #40
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    str r0, [sp, #36] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp, #16] @ 16-byte Spill
+; CHECK-NEXT:    vstrw.32 q1, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp, #16] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #36] @ 4-byte Reload
+; CHECK-NEXT:    vstrw.32 q0, [r0]
+; CHECK-NEXT:    add sp, #40
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <4 x i32> %v, <4 x i32>* %p, align 4
+  ret void
+}
+
+define arm_aapcs_vfpcc void @spill_vector_i16(<8 x i16> %v, <8 x i16>* %p) {
+; CHECK-LABEL: spill_vector_i16:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #40
+; CHECK-NEXT:    sub sp, #40
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    str r0, [sp, #36] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp, #16] @ 16-byte Spill
+; CHECK-NEXT:    vstrw.32 q1, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp, #16] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #36] @ 4-byte Reload
+; CHECK-NEXT:    vstrh.16 q0, [r0]
+; CHECK-NEXT:    add sp, #40
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <8 x i16> %v, <8 x i16>* %p, align 2
+  ret void
+}
+
+define arm_aapcs_vfpcc void @spill_vector_i8(<16 x i8> %v, <16 x i8>* %p) {
+; CHECK-LABEL: spill_vector_i8:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #40
+; CHECK-NEXT:    sub sp, #40
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    str r0, [sp, #36] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp, #16] @ 16-byte Spill
+; CHECK-NEXT:    vstrw.32 q1, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp, #16] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #36] @ 4-byte Reload
+; CHECK-NEXT:    vstrb.8 q0, [r0]
+; CHECK-NEXT:    add sp, #40
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <16 x i8> %v, <16 x i8>* %p, align 1
+  ret void
+}
+
+define arm_aapcs_vfpcc void @spill_vector_i64(<2 x i64> %v, <2 x i64>* %p) {
+; CHECK-LABEL: spill_vector_i64:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #40
+; CHECK-NEXT:    sub sp, #40
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    str r0, [sp, #36] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp, #16] @ 16-byte Spill
+; CHECK-NEXT:    vstrw.32 q1, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp, #16] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #36] @ 4-byte Reload
+; CHECK-NEXT:    vstrw.32 q0, [r0]
+; CHECK-NEXT:    add sp, #40
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <2 x i64> %v, <2 x i64>* %p, align 8
+  ret void
+}
+
+define arm_aapcs_vfpcc void @spill_vector_f32(<4 x float> %v, <4 x float>* %p) {
+; CHECK-LABEL: spill_vector_f32:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #40
+; CHECK-NEXT:    sub sp, #40
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    str r0, [sp, #36] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp, #16] @ 16-byte Spill
+; CHECK-NEXT:    vstrw.32 q1, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp, #16] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #36] @ 4-byte Reload
+; CHECK-NEXT:    vstrw.32 q0, [r0]
+; CHECK-NEXT:    add sp, #40
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <4 x float> %v, <4 x float>* %p, align 8
+  ret void
+}
+
+define arm_aapcs_vfpcc void @spill_vector_f16(<8 x half> %v, <8 x half>* %p) {
+; CHECK-LABEL: spill_vector_f16:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #40
+; CHECK-NEXT:    sub sp, #40
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    str r0, [sp, #36] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp, #16] @ 16-byte Spill
+; CHECK-NEXT:    vstrw.32 q1, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp, #16] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #36] @ 4-byte Reload
+; CHECK-NEXT:    vstrw.32 q0, [r0]
+; CHECK-NEXT:    add sp, #40
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <8 x half> %v, <8 x half>* %p, align 8
+  ret void
+}
+
+define arm_aapcs_vfpcc void @spill_vector_f64(<2 x double> %v, <2 x double>* %p) {
+; CHECK-LABEL: spill_vector_f64:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .pad #24
+; CHECK-NEXT:    sub sp, #24
+; CHECK-NEXT:    str r0, [sp, #20] @ 4-byte Spill
+; CHECK-NEXT:    vstrw.32 q0, [sp] @ 16-byte Spill
+; CHECK-NEXT:    bl external_function
+; CHECK-NEXT:    vldrw.u32 q0, [sp] @ 16-byte Reload
+; CHECK-NEXT:    ldr r0, [sp, #20] @ 4-byte Reload
+; CHECK-NEXT:    vstrw.32 q0, [r0]
+; CHECK-NEXT:    add sp, #24
+; CHECK-NEXT:    pop {r7, pc}
+entry:
+  call void @external_function()
+  store <2 x double> %v, <2 x double>* %p, align 8
+  ret void
+}