1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc %s -o - | FileCheck %s 3 4 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" 5 target triple = "x86_64-apple-macosx10.10.0" 6 7 ; Check that vastart handling doesn't get between testb and je for the branch. 8 define i32 @check_flag(i32 %flags, ...) nounwind { 9 ; CHECK-LABEL: check_flag: 10 ; CHECK: ## %bb.0: ## %entry 11 ; CHECK-NEXT: subq $56, %rsp 12 ; CHECK-NEXT: testb %al, %al 13 ; CHECK-NEXT: je LBB0_2 14 ; CHECK-NEXT: ## %bb.1: ## %entry 15 ; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp) 16 ; CHECK-NEXT: movaps %xmm1, -{{[0-9]+}}(%rsp) 17 ; CHECK-NEXT: movaps %xmm2, -{{[0-9]+}}(%rsp) 18 ; CHECK-NEXT: movaps %xmm3, -{{[0-9]+}}(%rsp) 19 ; CHECK-NEXT: movaps %xmm4, -{{[0-9]+}}(%rsp) 20 ; CHECK-NEXT: movaps %xmm5, (%rsp) 21 ; CHECK-NEXT: movaps %xmm6, {{[0-9]+}}(%rsp) 22 ; CHECK-NEXT: movaps %xmm7, {{[0-9]+}}(%rsp) 23 ; CHECK-NEXT: LBB0_2: ## %entry 24 ; CHECK-NEXT: movq %r9, -{{[0-9]+}}(%rsp) 25 ; CHECK-NEXT: movq %r8, -{{[0-9]+}}(%rsp) 26 ; CHECK-NEXT: movq %rcx, -{{[0-9]+}}(%rsp) 27 ; CHECK-NEXT: movq %rdx, -{{[0-9]+}}(%rsp) 28 ; CHECK-NEXT: movq %rsi, -{{[0-9]+}}(%rsp) 29 ; CHECK-NEXT: xorl %eax, %eax 30 ; CHECK-NEXT: testl $512, %edi ## imm = 0x200 31 ; CHECK-NEXT: je LBB0_4 32 ; CHECK-NEXT: ## %bb.3: ## %if.then 33 ; CHECK-NEXT: leaq -{{[0-9]+}}(%rsp), %rax 34 ; CHECK-NEXT: movq %rax, 16 35 ; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax 36 ; CHECK-NEXT: movq %rax, 8 37 ; CHECK-NEXT: movl $48, 4 38 ; CHECK-NEXT: movl $8, 0 39 ; CHECK-NEXT: movl $1, %eax 40 ; CHECK-NEXT: LBB0_4: ## %if.end 41 ; CHECK-NEXT: addq $56, %rsp 42 ; CHECK-NEXT: retq 43 entry: 44 %and = and i32 %flags, 512 45 %tobool = icmp eq i32 %and, 0 46 br i1 %tobool, label %if.end, label %if.then 47 48 if.then: ; preds = %entry 49 call void @llvm.va_start(i8* null) 50 br label %if.end 51 52 if.end: ; preds = %entry, %if.then 53 %hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ] 54 ret i32 %hasflag 55 } 56 57 declare void @llvm.va_start(i8*) nounwind 58
