| ; 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, i8*, i8* } |
| |
| @.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(i8* %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 i8*, align 8 |
| %va = alloca [1 x %struct.__va_list_tag], align 16 |
| store i8* %fmt, i8** %fmt.addr, align 8 |
| %arraydecay = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0 |
| %arraydecay1 = bitcast %struct.__va_list_tag* %arraydecay to i8* |
| call void @llvm.va_start(i8* %arraydecay1) |
| %arraydecay2 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0 |
| %arraydecay23 = bitcast %struct.__va_list_tag* %arraydecay2 to i8* |
| call void @llvm.va_end(i8* %arraydecay23) |
| %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0)) |
| ret void |
| } |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.va_start(i8*) |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.va_end(i8*) |
| |
| declare dso_local i32 @printf(i8*, ...) |