| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc %s -o - | FileCheck %s |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| ; Check that vastart handling doesn't get between testb and je for the branch. |
| define i32 @check_flag(i32 %flags, ...) nounwind { |
| ; CHECK-LABEL: check_flag: |
| ; CHECK: ## %bb.0: ## %entry |
| ; CHECK-NEXT: subq $56, %rsp |
| ; 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, (%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: xorl %eax, %eax |
| ; CHECK-NEXT: testl $512, %edi ## imm = 0x200 |
| ; CHECK-NEXT: je LBB0_4 |
| ; CHECK-NEXT: ## %bb.3: ## %if.then |
| ; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax |
| ; CHECK-NEXT: movq %rax, 16 |
| ; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax |
| ; CHECK-NEXT: movq %rax, 8 |
| ; CHECK-NEXT: movl $48, 4 |
| ; CHECK-NEXT: movl $8, 0 |
| ; CHECK-NEXT: movl $1, %eax |
| ; CHECK-NEXT: LBB0_4: ## %if.end |
| ; CHECK-NEXT: addq $56, %rsp |
| ; CHECK-NEXT: retq |
| entry: |
| %and = and i32 %flags, 512 |
| %tobool = icmp eq i32 %and, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: ; preds = %entry |
| call void @llvm.va_start(i8* null) |
| br label %if.end |
| |
| if.end: ; preds = %entry, %if.then |
| %hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ] |
| ret i32 %hasflag |
| } |
| |
| declare void @llvm.va_start(i8*) nounwind |
