llvm-for-llvmta/test/CodeGen/ARM/2013-04-21-AAPCS-VA-C.1.cp.ll

29 lines
1.2 KiB
LLVM

;Check 5.5 Parameter Passing --> Stage C --> C.1.cp statement for VA functions.
;Note: There are no VFP CPRCs in a variadic procedure.
;Check that after %C was sent to stack, we set Next Core Register Number to R4.
;This test is simplified IR version of
;test-suite/SingleSource/UnitTests/2002-05-02-ManyArguments.c
;RUN: llc -mtriple=thumbv7-linux-gnueabihf -float-abi=hard < %s | FileCheck %s
@.str = private unnamed_addr constant [13 x i8] c"%d %d %f %i\0A\00", align 1
;CHECK-LABEL: printfn:
define void @printfn(i32 %a, i16 signext %b, double %C, i8 signext %E) {
entry:
%conv = sext i16 %b to i32
%conv1 = sext i8 %E to i32
%call = tail call i32 (i8*, ...) @printf(
i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), ; --> R0
i32 %a, ; --> R1
i32 %conv, ; --> R2
double %C, ; --> SP, NCRN := R4
;CHECK: str r2, [sp, #8]
i32 %conv1) ; --> SP+8
ret void
}
declare i32 @printf(i8* nocapture, ...)