1 ; RUN: llc < %s -march=x86-64 -mattr=-sse | FileCheck %s -check-prefix=NOSSE
2 ; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=YESSSE
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"
5 target triple = "x86_64-unknown-linux-gnu"
6 %struct.__va_list_tag = type { i32, i32, i8*, i8* }
10 define i32 @foo(float %a, i8* nocapture %fmt, ...) nounwind {
12 %ap = alloca [1 x %struct.__va_list_tag], align 8 ; <[1 x %struct.__va_list_tag]*> [#uses=4]
13 %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8* ; <i8*> [#uses=2]
14 call void @llvm.va_start(i8* %ap12)
15 %0 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 0 ; <i32*> [#uses=2]
16 %1 = load i32, i32* %0, align 8 ; <i32> [#uses=3]
17 %2 = icmp ult i32 %1, 48 ; <i1> [#uses=1]
18 br i1 %2, label %bb, label %bb3
21 %3 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 3 ; <i8**> [#uses=1]
22 %4 = load i8*, i8** %3, align 8 ; <i8*> [#uses=1]
23 %5 = inttoptr i32 %1 to i8* ; <i8*> [#uses=1]
24 %6 = ptrtoint i8* %5 to i64 ; <i64> [#uses=1]
25 %ctg2 = getelementptr i8, i8* %4, i64 %6 ; <i8*> [#uses=1]
26 %7 = add i32 %1, 8 ; <i32> [#uses=1]
27 store i32 %7, i32* %0, align 8
31 %8 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0, i32 2 ; <i8**> [#uses=2]
32 %9 = load i8*, i8** %8, align 8 ; <i8*> [#uses=2]
33 %10 = getelementptr i8, i8* %9, i64 8 ; <i8*> [#uses=1]
34 store i8* %10, i8** %8, align 8
37 bb4: ; preds = %bb3, %bb
38 %addr.0.0 = phi i8* [ %ctg2, %bb ], [ %9, %bb3 ] ; <i8*> [#uses=1]
39 %11 = bitcast i8* %addr.0.0 to i32* ; <i32*> [#uses=1]
40 %12 = load i32, i32* %11, align 4 ; <i32> [#uses=1]
41 call void @llvm.va_end(i8* %ap12)
45 declare void @llvm.va_start(i8*) nounwind
47 declare void @llvm.va_end(i8*) nounwind