1;Check 5.5 Parameter Passing --> Stage C --> C.1.cp statement for VA functions. 2;Note: There are no VFP CPRCs in a variadic procedure. 3;Check that after %C was sent to stack, we set Next Core Register Number to R4. 4 5;This test is simplified IR version of 6;test-suite/SingleSource/UnitTests/2002-05-02-ManyArguments.c 7 8;RUN: llc -mtriple=thumbv7-linux-gnueabihf -float-abi=hard < %s | FileCheck %s 9 10@.str = private unnamed_addr constant [13 x i8] c"%d %d %f %i\0A\00", align 1 11 12;CHECK-LABEL: printfn: 13define void @printfn(i32 %a, i16 signext %b, double %C, i8 signext %E) { 14entry: 15 %conv = sext i16 %b to i32 16 %conv1 = sext i8 %E to i32 17 %call = tail call i32 (i8*, ...) @printf( 18 i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), ; --> R0 19 i32 %a, ; --> R1 20 i32 %conv, ; --> R2 21 double %C, ; --> SP, NCRN := R4 22;CHECK: str r2, [sp, #8] 23 i32 %conv1) ; --> SP+8 24 ret void 25} 26 27declare i32 @printf(i8* nocapture, ...) 28 29