xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/nosse-varargs.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 -mattr=-sse | FileCheck %s -check-prefix=NOSSE
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=YESSSE
3*9880d681SAndroid Build Coastguard Worker; PR3403
4*9880d681SAndroid Build Coastguard Workertarget 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*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
6*9880d681SAndroid Build Coastguard Worker	%struct.__va_list_tag = type { i32, i32, i8*, i8* }
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; NOSSE-NOT: xmm
9*9880d681SAndroid Build Coastguard Worker; YESSSE: xmm
10*9880d681SAndroid Build Coastguard Workerdefine i32 @foo(float %a, i8* nocapture %fmt, ...) nounwind {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker	%ap = alloca [1 x %struct.__va_list_tag], align 8		; <[1 x %struct.__va_list_tag]*> [#uses=4]
13*9880d681SAndroid Build Coastguard Worker	%ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*		; <i8*> [#uses=2]
14*9880d681SAndroid Build Coastguard Worker	call void @llvm.va_start(i8* %ap12)
15*9880d681SAndroid Build Coastguard Worker	%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*9880d681SAndroid Build Coastguard Worker	%1 = load i32, i32* %0, align 8		; <i32> [#uses=3]
17*9880d681SAndroid Build Coastguard Worker	%2 = icmp ult i32 %1, 48		; <i1> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker	br i1 %2, label %bb, label %bb3
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerbb:		; preds = %entry
21*9880d681SAndroid Build Coastguard Worker	%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*9880d681SAndroid Build Coastguard Worker	%4 = load i8*, i8** %3, align 8		; <i8*> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker	%5 = inttoptr i32 %1 to i8*		; <i8*> [#uses=1]
24*9880d681SAndroid Build Coastguard Worker	%6 = ptrtoint i8* %5 to i64		; <i64> [#uses=1]
25*9880d681SAndroid Build Coastguard Worker	%ctg2 = getelementptr i8, i8* %4, i64 %6		; <i8*> [#uses=1]
26*9880d681SAndroid Build Coastguard Worker	%7 = add i32 %1, 8		; <i32> [#uses=1]
27*9880d681SAndroid Build Coastguard Worker	store i32 %7, i32* %0, align 8
28*9880d681SAndroid Build Coastguard Worker	br label %bb4
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerbb3:		; preds = %entry
31*9880d681SAndroid Build Coastguard Worker	%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*9880d681SAndroid Build Coastguard Worker	%9 = load i8*, i8** %8, align 8		; <i8*> [#uses=2]
33*9880d681SAndroid Build Coastguard Worker	%10 = getelementptr i8, i8* %9, i64 8		; <i8*> [#uses=1]
34*9880d681SAndroid Build Coastguard Worker	store i8* %10, i8** %8, align 8
35*9880d681SAndroid Build Coastguard Worker	br label %bb4
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerbb4:		; preds = %bb3, %bb
38*9880d681SAndroid Build Coastguard Worker	%addr.0.0 = phi i8* [ %ctg2, %bb ], [ %9, %bb3 ]		; <i8*> [#uses=1]
39*9880d681SAndroid Build Coastguard Worker	%11 = bitcast i8* %addr.0.0 to i32*		; <i32*> [#uses=1]
40*9880d681SAndroid Build Coastguard Worker	%12 = load i32, i32* %11, align 4		; <i32> [#uses=1]
41*9880d681SAndroid Build Coastguard Worker	call void @llvm.va_end(i8* %ap12)
42*9880d681SAndroid Build Coastguard Worker	ret i32 %12
43*9880d681SAndroid Build Coastguard Worker}
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_start(i8*) nounwind
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_end(i8*) nounwind
48