| ; RUN: llc -mtriple=arm-linux-gnueabihf < %s | FileCheck %s |
| |
| %struct4bytes = type { i32 } |
| %struct8bytes8align = type { i64 } |
| %struct12bytes = type { i32, i32, i32 } |
| |
| declare void @useIntPtr(%struct4bytes*) |
| declare void @useLong(i64) |
| declare void @usePtr(%struct8bytes8align*) |
| |
| ; a -> r0 |
| ; b -> r1..r3 |
| ; c -> sp+0..sp+7 |
| define void @foo1(i32 %a, %struct12bytes* byval %b, i64 %c) { |
| ; CHECK-LABEL: foo1 |
| ; CHECK: sub sp, sp, #12 |
| ; CHECK: push {r11, lr} |
| ; CHECK: sub sp, sp, #4 |
| ; CHECK: add [[SCRATCH:r[0-9]+]], sp, #12 |
| ; CHECK: stm [[SCRATCH]], {r1, r2, r3} |
| ; CHECK: ldr r0, [sp, #24] |
| ; CHECK: ldr r1, [sp, #28] |
| ; CHECK: bl useLong |
| ; CHECK: pop {r11, lr} |
| ; CHECK: add sp, sp, #12 |
| |
| call void @useLong(i64 %c) |
| ret void |
| } |
| |
| ; a -> r0 |
| ; b -> r2..r3 |
| define void @foo2(i32 %a, %struct8bytes8align* byval %b) { |
| ; CHECK-LABEL: foo2 |
| ; CHECK: sub sp, sp, #8 |
| ; CHECK: push {r11, lr} |
| ; CHECK: add r0, sp, #8 |
| ; CHECK: str r3, [sp, #12] |
| ; CHECK: str r2, [sp, #8] |
| ; CHECK: bl usePtr |
| ; CHECK: pop {r11, lr} |
| ; CHECK: add sp, sp, #8 |
| |
| call void @usePtr(%struct8bytes8align* %b) |
| ret void |
| } |
| |
| ; a -> r0..r1 |
| ; b -> r2 |
| define void @foo3(%struct8bytes8align* byval %a, %struct4bytes* byval %b) { |
| ; CHECK-LABEL: foo3 |
| ; CHECK: sub sp, sp, #16 |
| ; CHECK: push {r11, lr} |
| ; CHECK: add [[SCRATCH:r[0-9]+]], sp, #8 |
| ; CHECK: stm [[SCRATCH]], {r0, r1, r2} |
| ; CHECK: add r0, sp, #8 |
| ; CHECK: bl usePtr |
| ; CHECK: pop {r11, lr} |
| ; CHECK: add sp, sp, #16 |
| |
| call void @usePtr(%struct8bytes8align* %a) |
| ret void |
| } |
| |
| ; a -> r0 |
| ; b -> r2..r3 |
| define void @foo4(%struct4bytes* byval %a, %struct8bytes8align* byval %b) { |
| ; CHECK-LABEL: foo4 |
| ; CHECK: sub sp, sp, #16 |
| ; CHECK: push {r11, lr} |
| ; CHECK: str r0, [sp, #8] |
| ; CHECK: add r0, sp, #16 |
| ; CHECK: str r3, [sp, #20] |
| ; CHECK: str r2, [sp, #16] |
| ; CHECK: bl usePtr |
| ; CHECK: pop {r11, lr} |
| ; CHECK: add sp, sp, #16 |
| ; CHECK: mov pc, lr |
| |
| call void @usePtr(%struct8bytes8align* %b) |
| ret void |
| } |
| |
| ; a -> r0..r1 |
| ; b -> r2 |
| ; c -> r3 |
| define void @foo5(%struct8bytes8align* byval %a, %struct4bytes* byval %b, %struct4bytes* byval %c) { |
| ; CHECK-LABEL: foo5 |
| ; CHECK: sub sp, sp, #16 |
| ; CHECK: push {r11, lr} |
| ; CHECK: add [[SCRATCH:r[0-9]+]], sp, #8 |
| ; CHECK: stm [[SCRATCH]], {r0, r1, r2, r3} |
| ; CHECK: add r0, sp, #8 |
| ; CHECK: bl usePtr |
| ; CHECK: pop {r11, lr} |
| ; CHECK: add sp, sp, #16 |
| ; CHECK: mov pc, lr |
| |
| call void @usePtr(%struct8bytes8align* %a) |
| ret void |
| } |
| |
| ; a..c -> r0..r2 |
| ; d -> sp+0..sp+7 |
| define void @foo6(i32 %a, i32 %b, i32 %c, %struct8bytes8align* byval %d) { |
| ; CHECK-LABEL: foo6 |
| ; CHECK: push {r11, lr} |
| ; CHECK: add r0, sp, #8 |
| ; CHECK: bl usePtr |
| ; CHECK: pop {r11, lr} |
| ; CHECK: mov pc, lr |
| |
| call void @usePtr(%struct8bytes8align* %d) |
| ret void |
| } |