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
| ; RUN: llc < %s -mattr=-sse | FileCheck %s -check-prefix=NOSSE
; RUN: llc < %s | FileCheck %s -check-prefix=YESSSE
; PR3403
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"
target triple = "x86_64-unknown-linux-gnu"
%struct.__va_list_tag = type { i32, i32, i8*, i8* }
; NOSSE-NOT: xmm
; YESSSE: xmm
define i32 @foo(float %a, i8* nocapture %fmt, ...) nounwind {
entry:
%ap = alloca [1 x %struct.__va_list_tag], align 8 ; <[1 x %struct.__va_list_tag]*> [#uses=4]
%ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8* ; <i8*> [#uses=2]
call void @llvm.va_start(i8* %ap12)
%0 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0 ; <i32*> [#uses=2]
%1 = load i32, i32* %0, align 8 ; <i32> [#uses=3]
%2 = icmp ult i32 %1, 48 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb3
bb: ; preds = %entry
%3 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 3 ; <i8**> [#uses=1]
%4 = load i8*, i8** %3, align 8 ; <i8*> [#uses=1]
%5 = inttoptr i32 %1 to i8* ; <i8*> [#uses=1]
%6 = ptrtoint i8* %5 to i64 ; <i64> [#uses=1]
%ctg2 = getelementptr i8, i8* %4, i64 %6 ; <i8*> [#uses=1]
%7 = add i32 %1, 8 ; <i32> [#uses=1]
store i32 %7, i32* %0, align 8
br label %bb4
bb3: ; preds = %entry
%8 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2 ; <i8**> [#uses=2]
%9 = load i8*, i8** %8, align 8 ; <i8*> [#uses=2]
%10 = getelementptr i8, i8* %9, i64 8 ; <i8*> [#uses=1]
store i8* %10, i8** %8, align 8
br label %bb4
bb4: ; preds = %bb3, %bb
%addr.0.0 = phi i8* [ %ctg2, %bb ], [ %9, %bb3 ] ; <i8*> [#uses=1]
%11 = bitcast i8* %addr.0.0 to i32* ; <i32*> [#uses=1]
%12 = load i32, i32* %11, align 4 ; <i32> [#uses=1]
call void @llvm.va_end(i8* %ap12)
ret i32 %12
}
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
|