1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=armv7-none-linux-gnueabi -pre-RA-sched=source | FileCheck %s
3; Test that we correctly align elements when using va_arg
4
5define i64 @test1(i32 %i, ...) nounwind optsize {
6; CHECK-LABEL: test1:
7; CHECK:       @ %bb.0: @ %entry
8; CHECK-NEXT:    .pad #16
9; CHECK-NEXT:    sub sp, sp, #16
10; CHECK-NEXT:    add r0, sp, #4
11; CHECK-NEXT:    stmib sp, {r1, r2, r3}
12; CHECK-NEXT:    add r0, r0, #7
13; CHECK-NEXT:    bic r1, r0, #7
14; CHECK-NEXT:    orr r0, r1, #4
15; CHECK-NEXT:    str r0, [sp]
16; CHECK-NEXT:    ldr r0, [r1]
17; CHECK-NEXT:    add r2, r1, #8
18; CHECK-NEXT:    str r2, [sp]
19; CHECK-NEXT:    ldr r1, [r1, #4]
20; CHECK-NEXT:    add sp, sp, #16
21; CHECK-NEXT:    bx lr
22entry:
23  %g = alloca i8*, align 4
24  %g1 = bitcast i8** %g to i8*
25  call void @llvm.va_start(i8* %g1)
26  %0 = va_arg i8** %g, i64
27  call void @llvm.va_end(i8* %g1)
28  ret i64 %0
29}
30
31define double @test2(i32 %a, i32* %b, ...) nounwind optsize {
32; CHECK-LABEL: test2:
33; CHECK:       @ %bb.0: @ %entry
34; CHECK-NEXT:    .pad #12
35; CHECK-NEXT:    sub sp, sp, #12
36; CHECK-NEXT:    add r0, sp, #4
37; CHECK-NEXT:    stmib sp, {r2, r3}
38; CHECK-NEXT:    add r0, r0, #11
39; CHECK-NEXT:    bic r0, r0, #3
40; CHECK-NEXT:    str r2, [r1]
41; CHECK-NEXT:    add r1, r0, #8
42; CHECK-NEXT:    str r1, [sp]
43; CHECK-NEXT:    vldr d16, [r0]
44; CHECK-NEXT:    vmov r0, r1, d16
45; CHECK-NEXT:    add sp, sp, #12
46; CHECK-NEXT:    bx lr
47entry:
48  %ap = alloca i8*, align 4                       ; <i8**> [#uses=3]
49  %ap1 = bitcast i8** %ap to i8*                  ; <i8*> [#uses=2]
50  call void @llvm.va_start(i8* %ap1)
51  %0 = va_arg i8** %ap, i32                       ; <i32> [#uses=0]
52  store i32 %0, i32* %b
53  %1 = va_arg i8** %ap, double                    ; <double> [#uses=1]
54  call void @llvm.va_end(i8* %ap1)
55  ret double %1
56}
57
58
59declare void @llvm.va_start(i8*) nounwind
60
61declare void @llvm.va_end(i8*) nounwind
62