llvm-6502/test/CodeGen/AArch64/arm64-abi-varargs.ll
Tim Northover 29f94c7201 AArch64/ARM64: move ARM64 into AArch64's place
This commit starts with a "git mv ARM64 AArch64" and continues out
from there, renaming the C++ classes, intrinsics, and other
target-local objects for consistency.

"ARM64" test directories are also moved, and tests that began their
life in ARM64 use an arm64 triple, those from AArch64 use an aarch64
triple. Both should be equivalent though.

This finishes the AArch64 merge, and everyone should feel free to
continue committing as normal now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209577 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-24 12:50:23 +00:00

192 lines
6.3 KiB
LLVM

; RUN: llc < %s -march=arm64 -mcpu=cyclone -enable-misched=false | FileCheck %s
target triple = "arm64-apple-ios7.0.0"
; rdar://13625505
; Here we have 9 fixed integer arguments the 9th argument in on stack, the
; varargs start right after at 8-byte alignment.
define void @fn9(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6, i32 %a7, i32 %a8, i32 %a9, ...) nounwind noinline ssp {
; CHECK-LABEL: fn9:
; 9th fixed argument
; CHECK: ldr {{w[0-9]+}}, [sp, #64]
; CHECK: add [[ARGS:x[0-9]+]], sp, #72
; CHECK: add {{x[0-9]+}}, [[ARGS]], #8
; First vararg
; CHECK: ldr {{w[0-9]+}}, [sp, #72]
; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, #8
; Second vararg
; CHECK: ldr {{w[0-9]+}}, [{{x[0-9]+}}]
; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, #8
; Third vararg
; CHECK: ldr {{w[0-9]+}}, [{{x[0-9]+}}]
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
%7 = alloca i32, align 4
%8 = alloca i32, align 4
%9 = alloca i32, align 4
%args = alloca i8*, align 8
%a10 = alloca i32, align 4
%a11 = alloca i32, align 4
%a12 = alloca i32, align 4
store i32 %a1, i32* %1, align 4
store i32 %a2, i32* %2, align 4
store i32 %a3, i32* %3, align 4
store i32 %a4, i32* %4, align 4
store i32 %a5, i32* %5, align 4
store i32 %a6, i32* %6, align 4
store i32 %a7, i32* %7, align 4
store i32 %a8, i32* %8, align 4
store i32 %a9, i32* %9, align 4
%10 = bitcast i8** %args to i8*
call void @llvm.va_start(i8* %10)
%11 = va_arg i8** %args, i32
store i32 %11, i32* %a10, align 4
%12 = va_arg i8** %args, i32
store i32 %12, i32* %a11, align 4
%13 = va_arg i8** %args, i32
store i32 %13, i32* %a12, align 4
ret void
}
declare void @llvm.va_start(i8*) nounwind
define i32 @main() nounwind ssp {
; CHECK-LABEL: main:
; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
; CHECK: str {{x[0-9]+}}, [sp, #8]
; CHECK: str {{w[0-9]+}}, [sp]
%a1 = alloca i32, align 4
%a2 = alloca i32, align 4
%a3 = alloca i32, align 4
%a4 = alloca i32, align 4
%a5 = alloca i32, align 4
%a6 = alloca i32, align 4
%a7 = alloca i32, align 4
%a8 = alloca i32, align 4
%a9 = alloca i32, align 4
%a10 = alloca i32, align 4
%a11 = alloca i32, align 4
%a12 = alloca i32, align 4
store i32 1, i32* %a1, align 4
store i32 2, i32* %a2, align 4
store i32 3, i32* %a3, align 4
store i32 4, i32* %a4, align 4
store i32 5, i32* %a5, align 4
store i32 6, i32* %a6, align 4
store i32 7, i32* %a7, align 4
store i32 8, i32* %a8, align 4
store i32 9, i32* %a9, align 4
store i32 10, i32* %a10, align 4
store i32 11, i32* %a11, align 4
store i32 12, i32* %a12, align 4
%1 = load i32* %a1, align 4
%2 = load i32* %a2, align 4
%3 = load i32* %a3, align 4
%4 = load i32* %a4, align 4
%5 = load i32* %a5, align 4
%6 = load i32* %a6, align 4
%7 = load i32* %a7, align 4
%8 = load i32* %a8, align 4
%9 = load i32* %a9, align 4
%10 = load i32* %a10, align 4
%11 = load i32* %a11, align 4
%12 = load i32* %a12, align 4
call void (i32, i32, i32, i32, i32, i32, i32, i32, i32, ...)* @fn9(i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7, i32 %8, i32 %9, i32 %10, i32 %11, i32 %12)
ret i32 0
}
;rdar://13668483
@.str = private unnamed_addr constant [4 x i8] c"fmt\00", align 1
define void @foo(i8* %fmt, ...) nounwind {
entry:
; CHECK-LABEL: foo:
; CHECK: orr {{x[0-9]+}}, {{x[0-9]+}}, #0x8
; CHECK: ldr {{w[0-9]+}}, [sp, #48]
; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, #15
; CHECK: and x[[ADDR:[0-9]+]], {{x[0-9]+}}, #0xfffffffffffffff0
; CHECK: ldr {{q[0-9]+}}, [x[[ADDR]]]
%fmt.addr = alloca i8*, align 8
%args = alloca i8*, align 8
%vc = alloca i32, align 4
%vv = alloca <4 x i32>, align 16
store i8* %fmt, i8** %fmt.addr, align 8
%args1 = bitcast i8** %args to i8*
call void @llvm.va_start(i8* %args1)
%0 = va_arg i8** %args, i32
store i32 %0, i32* %vc, align 4
%1 = va_arg i8** %args, <4 x i32>
store <4 x i32> %1, <4 x i32>* %vv, align 16
ret void
}
define void @bar(i32 %x, <4 x i32> %y) nounwind {
entry:
; CHECK-LABEL: bar:
; CHECK: str {{q[0-9]+}}, [sp, #16]
; CHECK: str {{x[0-9]+}}, [sp]
%x.addr = alloca i32, align 4
%y.addr = alloca <4 x i32>, align 16
store i32 %x, i32* %x.addr, align 4
store <4 x i32> %y, <4 x i32>* %y.addr, align 16
%0 = load i32* %x.addr, align 4
%1 = load <4 x i32>* %y.addr, align 16
call void (i8*, ...)* @foo(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %0, <4 x i32> %1)
ret void
}
; rdar://13668927
; When passing 16-byte aligned small structs as vararg, make sure the caller
; side is 16-byte aligned on stack.
%struct.s41 = type { i32, i16, i32, i16 }
define void @foo2(i8* %fmt, ...) nounwind {
entry:
; CHECK-LABEL: foo2:
; CHECK: orr {{x[0-9]+}}, {{x[0-9]+}}, #0x8
; CHECK: ldr {{w[0-9]+}}, [sp, #48]
; CHECK: add {{x[0-9]+}}, {{x[0-9]+}}, #15
; CHECK: and x[[ADDR:[0-9]+]], {{x[0-9]+}}, #0xfffffffffffffff0
; CHECK: ldr {{q[0-9]+}}, [x[[ADDR]]]
%fmt.addr = alloca i8*, align 8
%args = alloca i8*, align 8
%vc = alloca i32, align 4
%vs = alloca %struct.s41, align 16
store i8* %fmt, i8** %fmt.addr, align 8
%args1 = bitcast i8** %args to i8*
call void @llvm.va_start(i8* %args1)
%0 = va_arg i8** %args, i32
store i32 %0, i32* %vc, align 4
%ap.cur = load i8** %args
%1 = getelementptr i8* %ap.cur, i32 15
%2 = ptrtoint i8* %1 to i64
%3 = and i64 %2, -16
%ap.align = inttoptr i64 %3 to i8*
%ap.next = getelementptr i8* %ap.align, i32 16
store i8* %ap.next, i8** %args
%4 = bitcast i8* %ap.align to %struct.s41*
%5 = bitcast %struct.s41* %vs to i8*
%6 = bitcast %struct.s41* %4 to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %5, i8* %6, i64 16, i32 16, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
define void @bar2(i32 %x, i128 %s41.coerce) nounwind {
entry:
; CHECK-LABEL: bar2:
; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
; CHECK: str {{x[0-9]+}}, [sp]
%x.addr = alloca i32, align 4
%s41 = alloca %struct.s41, align 16
store i32 %x, i32* %x.addr, align 4
%0 = bitcast %struct.s41* %s41 to i128*
store i128 %s41.coerce, i128* %0, align 1
%1 = load i32* %x.addr, align 4
%2 = bitcast %struct.s41* %s41 to i128*
%3 = load i128* %2, align 1
call void (i8*, ...)* @foo2(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %1, i128 %3)
ret void
}