1 ; RUN: llc -verify-machineinstrs -mcpu=corei7-avx %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=NO-FLAGS
2 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"
3 target triple = "x86_64-apple-macosx10.9.0"
5 %struct.__va_list_tag = type { i32, i32, i8*, i8* }
7 ; Check that vastart gets the right thing.
8 define i32 @sum(i32 %count, ...) nounwind optsize ssp uwtable {
9 ; CHECK: testb %al, %al
11 ; CHECK-NEXT: ## %bb.{{[0-9]+}}:
12 ; CHECK-NEXT: vmovaps %xmm0, 48(%rsp)
13 ; CHECK-NEXT: vmovaps %xmm1, 64(%rsp)
14 ; CHECK-NEXT: vmovaps %xmm2, 80(%rsp)
15 ; CHECK-NEXT: vmovaps %xmm3, 96(%rsp)
16 ; CHECK-NEXT: vmovaps %xmm4, 112(%rsp)
17 ; CHECK-NEXT: vmovaps %xmm5, 128(%rsp)
18 ; CHECK-NEXT: vmovaps %xmm6, 144(%rsp)
19 ; CHECK-NEXT: vmovaps %xmm7, 160(%rsp)
21 ; Check that [EFLAGS] hasn't been pulled in.
22 ; NO-FLAGS-NOT: %flags
24 %ap = alloca [1 x %struct.__va_list_tag], align 16
25 %1 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*
26 call void @llvm.va_start(i8* %1)
27 %2 = icmp sgt i32 %count, 0
28 br i1 %2, label %.lr.ph, label %._crit_edge
31 %3 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0
32 %4 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2
33 %.pre = load i32, i32* %3, align 16
36 ; <label>:5 ; preds = %.lr.ph, %13
37 %6 = phi i32 [ %.pre, %.lr.ph ], [ %14, %13 ]
38 %.01 = phi i32 [ %count, %.lr.ph ], [ %15, %13 ]
39 %7 = icmp ult i32 %6, 41
40 br i1 %7, label %8, label %10
42 ; <label>:8 ; preds = %5
44 store i32 %9, i32* %3, align 16
47 ; <label>:10 ; preds = %5
48 %11 = load i8*, i8** %4, align 8
49 %12 = getelementptr i8, i8* %11, i64 8
50 store i8* %12, i8** %4, align 8
53 ; <label>:13 ; preds = %10, %8
54 %14 = phi i32 [ %6, %10 ], [ %9, %8 ]
55 %15 = add nsw i32 %.01, 1
56 %16 = icmp sgt i32 %15, 0
57 br i1 %16, label %5, label %._crit_edge
59 ._crit_edge: ; preds = %13, %0
60 %.0.lcssa = phi i32 [ %count, %0 ], [ %15, %13 ]
61 call void @llvm.va_end(i8* %1)
65 declare void @llvm.va_start(i8*) nounwind
67 declare void @llvm.va_end(i8*) nounwind