1 ; RUN: llc < %s -disable-block-placement | FileCheck %s
2 ; RUN: llc < %s -disable-block-placement -disable-sparc-leaf-proc=0 | FileCheck %s
3 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-n32:64-S128"
4 target triple = "sparcv9-sun-solaris"
7 ; 128 byte save ares + 1 alloca rounded up to 16 bytes alignment.
8 ; CHECK: save %sp, -144, %sp
9 ; Store the ... arguments to the argument array. The order is not important.
10 ; CHECK: stx %i5, [%fp+2215]
11 ; CHECK: stx %i4, [%fp+2207]
12 ; CHECK: stx %i3, [%fp+2199]
13 ; CHECK: stx %i2, [%fp+2191]
14 ; Store the address of the ... args to %ap at %fp+BIAS+128-8
15 ; add %fp, 2191, [[R:[gilo][0-7]]]
16 ; stx [[R]], [%fp+2039]
17 define double @varargsfunc(i8* nocapture %fmt, double %sum, ...) {
19 %ap = alloca i8*, align 4
20 %ap1 = bitcast i8** %ap to i8*
21 call void @llvm.va_start(i8* %ap1)
25 %fmt.addr.0 = phi i8* [ %fmt, %entry ], [ %incdec.ptr, %for.cond.backedge ]
26 %sum.addr.0 = phi double [ %sum, %entry ], [ %sum.addr.0.be, %for.cond.backedge ]
27 %incdec.ptr = getelementptr inbounds i8, i8* %fmt.addr.0, i64 1
28 %0 = load i8, i8* %fmt.addr.0, align 1
29 %conv = sext i8 %0 to i32
30 switch i32 %conv, label %sw.default [
32 i32 102, label %sw.bb3
36 ; ldx [%fp+2039], %[[AP:[gilo][0-7]]]
37 ; add %[[AP]], 4, %[[AP2:[gilo][0-7]]]
38 ; stx %[[AP2]], [%fp+2039]
41 %1 = va_arg i8** %ap, i32
42 %conv2 = sitofp i32 %1 to double
43 br label %for.cond.backedge
46 ; ldx [%fp+2039], %[[AP:[gilo][0-7]]]
47 ; add %[[AP]], 8, %[[AP2:[gilo][0-7]]]
48 ; stx %[[AP2]], [%fp+2039]
51 %2 = va_arg i8** %ap, double
52 br label %for.cond.backedge
55 %.pn = phi double [ %2, %sw.bb3 ], [ %conv2, %sw.bb ]
56 %sum.addr.0.be = fadd double %.pn, %sum.addr.0
60 ret double %sum.addr.0
63 declare void @llvm.va_start(i8*)
65 @.str = private unnamed_addr constant [4 x i8] c"abc\00", align 1
68 ; The fixed-arg double goes in %d2, the second goes in %o2.
69 ; CHECK: sethi 1048576
72 define i32 @call_1d() #0 {
74 %call = call double (i8*, double, ...) @varargsfunc(i8* undef, double 1.000000e+00, double 2.000000e+00)