1 ; RUN: llc -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" 4 5 %struct.__va_list_tag = type { i32, i32, i8*, i8* } 6 7 ; Check that vastart gets the right thing. 8 define i32 @sum(i32 %count, ...) nounwind optsize ssp uwtable { 9 ; CHECK: testb %al, %al 10 ; CHECK-NEXT: je 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) 20 21 ; Check that [EFLAGS] hasn't been pulled in. 22 ; NO-FLAGS-NOT: %flags 23 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 29 30 .lr.ph: ; preds = %0 31 %3 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0 32 %4 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2 33 %.pre = load i32* %3, align 16 34 br label %5 35 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 41 42 ; <label>:8 ; preds = %5 43 %9 = add i32 %6, 8 44 store i32 %9, i32* %3, align 16 45 br label %13 46 47 ; <label>:10 ; preds = %5 48 %11 = load i8** %4, align 8 49 %12 = getelementptr i8* %11, i64 8 50 store i8* %12, i8** %4, align 8 51 br label %13 52 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 58 59 ._crit_edge: ; preds = %13, %0 60 %.0.lcssa = phi i32 [ %count, %0 ], [ %15, %13 ] 61 call void @llvm.va_end(i8* %1) 62 ret i32 %.0.lcssa 63 } 64 65 declare void @llvm.va_start(i8*) nounwind 66 67 declare void @llvm.va_end(i8*) nounwind 68
