2013-02-01 12:40:47 +01:00
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; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -tailcallopt | FileCheck %s -check-prefix CHECK-TAIL
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; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
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2013-01-31 13:12:40 +01:00
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; Without tailcallopt fastcc still means the caller cleans up the
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; stack, so try to make sure this is respected.
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define fastcc void @func_stack0() {
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: func_stack0:
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2013-01-31 13:12:40 +01:00
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; CHECK: sub sp, sp, #48
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2013-07-14 08:24:09 +02:00
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; CHECK-TAIL-LABEL: func_stack0:
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2013-01-31 13:12:40 +01:00
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; CHECK-TAIL: sub sp, sp, #48
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call fastcc void @func_stack8([8 x i32] undef, i32 42)
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; CHECK: bl func_stack8
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; CHECK-NOT: sub sp, sp,
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; CHECK-TAIL: bl func_stack8
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; CHECK-TAIL: sub sp, sp, #16
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call fastcc void @func_stack32([8 x i32] undef, i128 0, i128 9)
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; CHECK: bl func_stack32
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; CHECK-NOT: sub sp, sp,
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; CHECK-TAIL: bl func_stack32
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; CHECK-TAIL: sub sp, sp, #32
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call fastcc void @func_stack0()
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; CHECK: bl func_stack0
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; CHECK-NOT: sub sp, sp
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; CHECK-TAIL: bl func_stack0
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; CHECK-TAIL-NOT: sub sp, sp
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ret void
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; CHECK: add sp, sp, #48
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; CHECK-NEXT: ret
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; CHECK-TAIL: add sp, sp, #48
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; CHECK-TAIL-NEXT: ret
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}
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define fastcc void @func_stack8([8 x i32], i32 %stacked) {
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: func_stack8:
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2013-01-31 13:12:40 +01:00
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; CHECK: sub sp, sp, #48
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2013-07-14 08:24:09 +02:00
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; CHECK-TAIL-LABEL: func_stack8:
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2013-01-31 13:12:40 +01:00
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; CHECK-TAIL: sub sp, sp, #48
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call fastcc void @func_stack8([8 x i32] undef, i32 42)
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; CHECK: bl func_stack8
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; CHECK-NOT: sub sp, sp,
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; CHECK-TAIL: bl func_stack8
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; CHECK-TAIL: sub sp, sp, #16
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call fastcc void @func_stack32([8 x i32] undef, i128 0, i128 9)
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; CHECK: bl func_stack32
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; CHECK-NOT: sub sp, sp,
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; CHECK-TAIL: bl func_stack32
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; CHECK-TAIL: sub sp, sp, #32
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call fastcc void @func_stack0()
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; CHECK: bl func_stack0
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; CHECK-NOT: sub sp, sp
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; CHECK-TAIL: bl func_stack0
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; CHECK-TAIL-NOT: sub sp, sp
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ret void
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; CHECK: add sp, sp, #48
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; CHECK-NEXT: ret
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; CHECK-TAIL: add sp, sp, #64
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; CHECK-TAIL-NEXT: ret
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}
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define fastcc void @func_stack32([8 x i32], i128 %stacked0, i128 %stacked1) {
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: func_stack32:
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2013-01-31 13:12:40 +01:00
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; CHECK: sub sp, sp, #48
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2013-07-14 08:24:09 +02:00
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; CHECK-TAIL-LABEL: func_stack32:
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2013-01-31 13:12:40 +01:00
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; CHECK-TAIL: sub sp, sp, #48
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call fastcc void @func_stack8([8 x i32] undef, i32 42)
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; CHECK: bl func_stack8
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; CHECK-NOT: sub sp, sp,
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; CHECK-TAIL: bl func_stack8
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; CHECK-TAIL: sub sp, sp, #16
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call fastcc void @func_stack32([8 x i32] undef, i128 0, i128 9)
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; CHECK: bl func_stack32
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; CHECK-NOT: sub sp, sp,
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; CHECK-TAIL: bl func_stack32
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; CHECK-TAIL: sub sp, sp, #32
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call fastcc void @func_stack0()
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; CHECK: bl func_stack0
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; CHECK-NOT: sub sp, sp
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; CHECK-TAIL: bl func_stack0
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; CHECK-TAIL-NOT: sub sp, sp
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ret void
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; CHECK: add sp, sp, #48
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; CHECK-NEXT: ret
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; CHECK-TAIL: add sp, sp, #80
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; CHECK-TAIL-NEXT: ret
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}
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