1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
; RUN: llc -verify-machineinstrs -mcpu=corei7-avx %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=NO-FLAGS
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-macosx10.9.0"
%struct.__va_list_tag = type { i32, i32, i8*, i8* }
; Check that vastart gets the right thing.
define i32 @sum(i32 %count, ...) nounwind optsize ssp uwtable {
; CHECK: testb %al, %al
; CHECK-NEXT: je
; CHECK-NEXT: ## BB#{{[0-9]+}}:
; CHECK-NEXT: vmovaps %xmm0, 48(%rsp)
; CHECK-NEXT: vmovaps %xmm1, 64(%rsp)
; CHECK-NEXT: vmovaps %xmm2, 80(%rsp)
; CHECK-NEXT: vmovaps %xmm3, 96(%rsp)
; CHECK-NEXT: vmovaps %xmm4, 112(%rsp)
; CHECK-NEXT: vmovaps %xmm5, 128(%rsp)
; CHECK-NEXT: vmovaps %xmm6, 144(%rsp)
; CHECK-NEXT: vmovaps %xmm7, 160(%rsp)
; Check that [EFLAGS] hasn't been pulled in.
; NO-FLAGS-NOT: %flags
%ap = alloca [1 x %struct.__va_list_tag], align 16
%1 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*
call void @llvm.va_start(i8* %1)
%2 = icmp sgt i32 %count, 0
br i1 %2, label %.lr.ph, label %._crit_edge
.lr.ph: ; preds = %0
%3 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0
%4 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2
%.pre = load i32* %3, align 16
br label %5
; <label>:5 ; preds = %.lr.ph, %13
%6 = phi i32 [ %.pre, %.lr.ph ], [ %14, %13 ]
%.01 = phi i32 [ %count, %.lr.ph ], [ %15, %13 ]
%7 = icmp ult i32 %6, 41
br i1 %7, label %8, label %10
; <label>:8 ; preds = %5
%9 = add i32 %6, 8
store i32 %9, i32* %3, align 16
br label %13
; <label>:10 ; preds = %5
%11 = load i8** %4, align 8
%12 = getelementptr i8* %11, i64 8
store i8* %12, i8** %4, align 8
br label %13
; <label>:13 ; preds = %10, %8
%14 = phi i32 [ %6, %10 ], [ %9, %8 ]
%15 = add nsw i32 %.01, 1
%16 = icmp sgt i32 %15, 0
br i1 %16, label %5, label %._crit_edge
._crit_edge: ; preds = %13, %0
%.0.lcssa = phi i32 [ %count, %0 ], [ %15, %13 ]
call void @llvm.va_end(i8* %1)
ret i32 %.0.lcssa
}
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
|
