62 lines
1.4 KiB
LLVM
62 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=armv7-linux < %s | FileCheck %s
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declare arm_aapcscc void @addrof_i32(i32*)
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declare arm_aapcscc void @addrof_i64(i64*)
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define arm_aapcscc void @simple(i32, i32, i32, i32, i32 %x) {
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entry:
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%x.addr = alloca i32
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store i32 %x, i32* %x.addr
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call void @addrof_i32(i32* %x.addr)
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ret void
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}
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; CHECK-LABEL: simple:
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; CHECK: push {r11, lr}
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; CHECK: add r0, sp, #8
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; CHECK: bl addrof_i32
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; CHECK: pop {r11, pc}
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; We need to load %x before calling addrof_i32 now because it could mutate %x in
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; place.
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define arm_aapcscc i32 @use_arg(i32, i32, i32, i32, i32 %x) {
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entry:
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%x.addr = alloca i32
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store i32 %x, i32* %x.addr
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call void @addrof_i32(i32* %x.addr)
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ret i32 %x
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}
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; CHECK-LABEL: use_arg:
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; CHECK: push {[[csr:[^ ]*]], lr}
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; CHECK: ldr [[csr]], [sp, #8]
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; CHECK: add r0, sp, #8
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; CHECK: bl addrof_i32
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; CHECK: mov r0, [[csr]]
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; CHECK: pop {[[csr]], pc}
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define arm_aapcscc i64 @split_i64(i32, i32, i32, i32, i64 %x) {
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entry:
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%x.addr = alloca i64, align 4
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store i64 %x, i64* %x.addr, align 4
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call void @addrof_i64(i64* %x.addr)
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ret i64 %x
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}
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; CHECK-LABEL: split_i64:
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; CHECK: push {r4, r5, r11, lr}
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; CHECK: sub sp, sp, #8
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; CHECK: ldr r4, [sp, #28]
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; CHECK: ldr r5, [sp, #24]
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; CHECK: mov r0, sp
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; CHECK: str r4, [sp, #4]
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; CHECK: str r5, [sp]
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; CHECK: bl addrof_i64
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; CHECK: mov r0, r5
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; CHECK: mov r1, r4
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; CHECK: add sp, sp, #8
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; CHECK: pop {r4, r5, r11, pc}
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