llvm-for-llvmta/test/CodeGen/Mips/GlobalISel/llvm-ir/var_arg.ll

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2022-04-25 10:02:23 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32
@.str = private unnamed_addr constant [11 x i8] c"string %s\0A\00", align 1
declare void @llvm.va_start(i8*)
declare void @llvm.va_copy(i8*, i8*)
declare i32 @printf(i8*, ...)
define void @testVaCopyArg(i8* %fmt, ...) {
; MIPS32-LABEL: testVaCopyArg:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -40
; MIPS32-NEXT: .cfi_def_cfa_offset 40
; MIPS32-NEXT: sw $ra, 36($sp) # 4-byte Folded Spill
; MIPS32-NEXT: .cfi_offset 31, -4
; MIPS32-NEXT: move $3, $4
; MIPS32-NEXT: addiu $1, $sp, 44
; MIPS32-NEXT: sw $5, 0($1)
; MIPS32-NEXT: addiu $1, $sp, 48
; MIPS32-NEXT: sw $6, 0($1)
; MIPS32-NEXT: addiu $1, $sp, 52
; MIPS32-NEXT: sw $7, 0($1)
; MIPS32-NEXT: lui $1, %hi($.str)
; MIPS32-NEXT: addiu $4, $1, %lo($.str)
; MIPS32-NEXT: addiu $6, $sp, 32
; MIPS32-NEXT: addiu $2, $sp, 28
; MIPS32-NEXT: addiu $5, $sp, 24
; MIPS32-NEXT: addiu $1, $sp, 20
; MIPS32-NEXT: sw $3, 0($6)
; MIPS32-NEXT: addiu $3, $sp, 44
; MIPS32-NEXT: sw $3, 0($2)
; MIPS32-NEXT: lw $2, 0($2)
; MIPS32-NEXT: sw $2, 0($5)
; MIPS32-NEXT: lw $2, 0($5)
; MIPS32-NEXT: ori $3, $zero, 4
; MIPS32-NEXT: addu $3, $2, $3
; MIPS32-NEXT: sw $3, 0($5)
; MIPS32-NEXT: lw $2, 0($2)
; MIPS32-NEXT: sw $2, 0($1)
; MIPS32-NEXT: lw $5, 0($1)
; MIPS32-NEXT: jal printf
; MIPS32-NEXT: nop
; MIPS32-NEXT: lw $ra, 36($sp) # 4-byte Folded Reload
; MIPS32-NEXT: addiu $sp, $sp, 40
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
%fmt.addr = alloca i8*, align 4
%ap = alloca i8*, align 4
%aq = alloca i8*, align 4
%s = alloca i8*, align 4
store i8* %fmt, i8** %fmt.addr, align 4
%ap1 = bitcast i8** %ap to i8*
call void @llvm.va_start(i8* %ap1)
%0 = bitcast i8** %aq to i8*
%1 = bitcast i8** %ap to i8*
call void @llvm.va_copy(i8* %0, i8* %1)
%argp.cur = load i8*, i8** %aq, align 4
%argp.next = getelementptr inbounds i8, i8* %argp.cur, i32 4
store i8* %argp.next, i8** %aq, align 4
%2 = bitcast i8* %argp.cur to i8**
%3 = load i8*, i8** %2, align 4
store i8* %3, i8** %s, align 4
%4 = load i8*, i8** %s, align 4
%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %4)
ret void
}