llvm-for-llvmta/test/CodeGen/ARM/2013-05-02-AAPCS-ByVal-Stru...

46 lines
1.5 KiB
LLVM

;Check AAPCS, 5.5 Parameters Passing, C4 and C5 rules.
;Check case when NSAA != 0, and NCRN < R4, NCRN+ParamSize > R4
;RUN: llc -mtriple=thumbv7-linux-gnueabihf -float-abi=hard < %s | FileCheck %s
%st_t = type { i32, i32, i32, i32 }
@static_val = constant %st_t { i32 777, i32 888, i32 787, i32 878}
define void @foo(double %vfp0, ; --> D0, NSAA=SP
double %vfp1, ; --> D1, NSAA=SP
double %vfp2, ; --> D2, NSAA=SP
double %vfp3, ; --> D3, NSAA=SP
double %vfp4, ; --> D4, NSAA=SP
double %vfp5, ; --> D5, NSAA=SP
double %vfp6, ; --> D6, NSAA=SP
double %vfp7, ; --> D7, NSAA=SP
double %vfp8, ; --> SP, NSAA=SP+8 (!)
i32 %p0, ; --> R0, NSAA=SP+8
%st_t* byval(%st_t) %p1, ; --> SP+8, 4 words NSAA=SP+24
i32 %p2) #0 { ; --> SP+24, NSAA=SP+24
entry:
;CHECK: push {r7, lr}
;CHECK: ldr r0, [sp, #32]
;CHECK: bl fooUseI32
call void @fooUseI32(i32 %p2)
ret void
}
declare void @fooUseI32(i32)
define void @doFoo() {
entry:
call void @foo(double 23.0,
double 23.1,
double 23.2,
double 23.3,
double 23.4,
double 23.5,
double 23.6,
double 23.7,
double 23.8,
i32 0, %st_t* byval(%st_t) @static_val, i32 1)
ret void
}