; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -O0 -mtriple=x86_64-unknown-unknown < %s | FileCheck %s ; ModuleID = 'variadic.c' source_filename = "variadic.c" target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux" %struct.__va_list_tag = type { i32, i32, ptr, ptr } @.str = private unnamed_addr constant [9 x i8] c"\0A hello \00", align 1 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @testvarargs(ptr %fmt, ...) { ; CHECK-LABEL: testvarargs: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: subq $216, %rsp ; CHECK-NEXT: .cfi_def_cfa_offset 224 ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: je .LBB0_2 ; CHECK-NEXT: # %bb.1: # %entry ; CHECK-NEXT: movaps %xmm0, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm1, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm2, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm3, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm4, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm5, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm6, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movaps %xmm7, {{[0-9]+}}(%rsp) ; CHECK-NEXT: .LBB0_2: # %entry ; CHECK-NEXT: movq %r9, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %r8, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rcx, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rdx, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rsi, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rdi, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movq %rsp, %rax ; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp) ; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax ; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movl $48, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movl $8, {{[0-9]+}}(%rsp) ; CHECK-NEXT: movl $.L.str, %edi ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: # kill: def $al killed $al killed $eax ; CHECK-NEXT: callq printf ; CHECK-NEXT: addq $216, %rsp ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: retq entry: %fmt.addr = alloca ptr, align 8 %va = alloca [1 x %struct.__va_list_tag], align 16 store ptr %fmt, ptr %fmt.addr, align 8 call void @llvm.va_start(ptr %va) call void @llvm.va_end(ptr %va) %call = call i32 (ptr, ...) @printf(ptr @.str) ret void } ; Function Attrs: nounwind declare void @llvm.va_start(ptr) ; Function Attrs: nounwind declare void @llvm.va_end(ptr) declare dso_local i32 @printf(ptr, ...)