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