; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6 ; RUN: llc < %s -mtriple=x86_64-- -mattr=ndd -verify-machineinstrs | FileCheck %s define fastcc i64 @foo(ptr %p0, ptr %p1, i64 %p2, i64 %p3, ptr %p4, ptr %p5, ptr %p6, ptr %p7, ptr %p8, i64 %p9, i1 %cond, i32 %n) nounwind { ; CHECK-LABEL: foo: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushq %rbp ; CHECK-NEXT: pushq %r15 ; CHECK-NEXT: pushq %r14 ; CHECK-NEXT: pushq %r13 ; CHECK-NEXT: pushq %r12 ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: subq $24, %rsp ; CHECK-NEXT: movzbl {{[0-9]+}}(%rsp), %ebp ; CHECK-NEXT: testb $1, %bpl ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.2: # %bb1 ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.4: # %bb2 ; CHECK-NEXT: movb $1, %al ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.5: # %bb2 ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: jne .LBB0_9 ; CHECK-NEXT: # %bb.6: # %bb2 ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: .LBB0_7: # %bb3 ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: .LBB0_8: # %cleanup ; CHECK-NEXT: addq $24, %rsp ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: popq %r12 ; CHECK-NEXT: popq %r13 ; CHECK-NEXT: popq %r14 ; CHECK-NEXT: popq %r15 ; CHECK-NEXT: popq %rbp ; CHECK-NEXT: retq ; CHECK-NEXT: .LBB0_9: # %bb5 ; CHECK-NEXT: testb $1, %bpl ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.10: # %bb7 ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.12: # %bb9 ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.14: # %bb10 ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.16: # %bb11 ; CHECK-NEXT: jne .LBB0_7 ; CHECK-NEXT: # %bb.18: # %bb12 ; CHECK-NEXT: je .LBB0_7 ; CHECK-NEXT: # %bb.19: # %bb13 ; CHECK-NEXT: movb $1, %al ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: je .LBB0_7 ; CHECK-NEXT: # %bb.20: # %bb15 ; CHECK-NEXT: movl {{[0-9]+}}(%rsp), %eax ; CHECK-NEXT: testl %eax, %eax ; CHECK-NEXT: je .LBB0_7 ; CHECK-NEXT: # %bb.21: # %bb15 ; CHECK-NEXT: cmpl $2, %eax ; CHECK-NEXT: je .LBB0_7 ; CHECK-NEXT: # %bb.22: # %bb18 ; CHECK-NEXT: movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill ; CHECK-NEXT: movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill ; CHECK-NEXT: movl $1, %eax ; CHECK-NEXT: movq %rax, (%rsp) # 8-byte Spill ; CHECK-NEXT: movb $1, %al ; CHECK-NEXT: testb %al, %al ; CHECK-NEXT: jne .LBB0_27 ; CHECK-NEXT: # %bb.23: ; CHECK-NEXT: movq %rdi, %r14 ; CHECK-NEXT: movq %rsi, %r12 ; CHECK-NEXT: movq %r8, %rbx ; CHECK-NEXT: movq %r9, %r15 ; CHECK-NEXT: xorl %r13d, %r13d ; CHECK-NEXT: .LBB0_24: # %loop ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movq %rbx, %rdi ; CHECK-NEXT: movq %r15, %rsi ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: callq *%r13 ; CHECK-NEXT: movq %r12, %rdi ; CHECK-NEXT: xorl %esi, %esi ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: xorl %r8d, %r8d ; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %r9 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: callq *%r13 ; CHECK-NEXT: addq $32, %rsp ; CHECK-NEXT: xorl %edi, %edi ; CHECK-NEXT: movq %r14, %rsi ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: xorl %r8d, %r8d ; CHECK-NEXT: xorl %r9d, %r9d ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: pushq $0 ; CHECK-NEXT: callq *%r13 ; CHECK-NEXT: addq $32, %rsp ; CHECK-NEXT: testb $1, %bpl ; CHECK-NEXT: je .LBB0_24 ; CHECK-NEXT: # %bb.25: # %cleanup2 ; CHECK-NEXT: jne .LBB0_27 ; CHECK-NEXT: # %bb.26: # %bb21 ; CHECK-NEXT: xorl %edi, %edi ; CHECK-NEXT: xorl %esi, %esi ; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rbx # 8-byte Reload ; CHECK-NEXT: movq %rbx, %rdx ; CHECK-NEXT: callq memcpy@PLT ; CHECK-NEXT: movq %rbx, (%rsp) # 8-byte Spill ; CHECK-NEXT: .LBB0_27: # %exit ; CHECK-NEXT: movq (%rsp), %rax # 8-byte Reload ; CHECK-NEXT: jmp .LBB0_8 entry: br i1 %cond, label %cleanup, label %bb1 bb1: ; preds = %entry br i1 %cond, label %cleanup, label %bb2 bb2: ; preds = %bb1 switch i8 0, label %bb3 [ i8 1, label %bb5 i8 2, label %bb4 i8 0, label %bb6 ] bb3: ; preds = %bb2 ret i64 0 bb4: ; preds = %bb2 ret i64 0 bb6: ; preds = %bb2 ret i64 0 bb5: ; preds = %bb2 br i1 %cond, label %bb8, label %bb7 bb7: ; preds = %bb5 br i1 %cond, label %cleanup, label %bb9 bb8: ; preds = %bb5 ret i64 0 bb9: ; preds = %bb7 br i1 %cond, label %cleanup, label %bb10 bb10: ; preds = %bb9 br i1 %cond, label %cleanup, label %bb11 bb11: ; preds = %bb10 br i1 %cond, label %cleanup, label %bb12 bb12: ; preds = %bb11 br i1 %cond, label %bb13, label %bb14 bb13: ; preds = %bb12 %v0 = icmp eq i32 0, 0 br i1 %v0, label %bb15, label %bb16 bb14: ; preds = %bb12 ret i64 0 bb16: ; preds = %bb13 ret i64 0 bb15: ; preds = %bb13 switch i32 %n, label %bb18 [ i32 2, label %bb17 i32 0, label %bb19 ] bb17: ; preds = %bb15 ret i64 0 bb19: ; preds = %bb15 ret i64 0 bb18: ; preds = %bb15 %v1 = icmp eq i64 0, 0 br i1 %v1, label %exit, label %loop exit: ; preds = %bb21, %bb18, %cleanup2 %v2 = phi i64 [ %v3, %bb21 ], [ 1, %cleanup2 ], [ 1, %bb18 ] call void @llvm.lifetime.end.p0(ptr poison) br label %cleanup cleanup: ; preds = %exit, %bb11, %bb10, %bb9, %bb7, %bb1, %entry %retval = phi i64 [ 0, %entry ], [ 0, %bb1 ], [ 0, %bb10 ], [ %v2, %exit ], [ 0, %bb9 ], [ 0, %bb7 ], [ 0, %bb11 ] ret i64 %retval loop: ; preds = %loop, %bb18 call fastcc void null(ptr %p4, ptr %p5, i32 0) %v4 = call fastcc i64 null(ptr %p1, ptr null, i64 0, i64 0, i64 0, ptr %p6, ptr null, ptr null, ptr null, ptr null) %v5 = call fastcc i64 null(ptr null, ptr %p0, i64 0, i64 0, i64 0, ptr null, ptr null, ptr null, ptr null, ptr null) br i1 %cond, label %cleanup2, label %loop cleanup2: ; preds = %loop br i1 %cond, label %exit, label %bb21 bb21: ; preds = %cleanup2 tail call void @llvm.memcpy.p0.p0.i64(ptr null, ptr null, i64 %p2, i1 false) %v3 = or i64 %p2, %p3 br label %exit }