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1; RUN: llc < %s -disable-block-placement | FileCheck %s2; RUN: llc < %s -disable-block-placement -disable-sparc-leaf-proc=0 | FileCheck %s3target 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"4target triple = "sparcv9-sun-solaris"5 6; CHECK: varargsfunc7; 128 byte save ares + 1 alloca rounded up to 16 bytes alignment.8; CHECK: save %sp, -144, %sp9; 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+128-815; add %fp, 2191, [[R:[gilo][0-7]]]16; stx [[R]], [%fp+2039]17define double @varargsfunc(ptr nocapture %fmt, double %sum, ...) {18entry:19 %ap = alloca ptr, align 420 %ap1 = bitcast ptr %ap to ptr21 call void @llvm.va_start(ptr %ap1)22 br label %for.cond23 24for.cond:25 %fmt.addr.0 = phi ptr [ %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, ptr %fmt.addr.0, i64 128 %0 = load i8, ptr %fmt.addr.0, align 129 %conv = sext i8 %0 to i3230 switch i32 %conv, label %sw.default [31 i32 105, label %sw.bb32 i32 102, label %sw.bb333 ]34 35; CHECK: sw.bb36; ldx [%fp+2039], %[[AP:[gilo][0-7]]]37; add %[[AP]], 4, %[[AP2:[gilo][0-7]]]38; stx %[[AP2]], [%fp+2039]39; ld [%[[AP]]]40sw.bb:41 %1 = va_arg ptr %ap, i3242 %conv2 = sitofp i32 %1 to double43 br label %for.cond.backedge44 45; CHECK: sw.bb346; ldx [%fp+2039], %[[AP:[gilo][0-7]]]47; add %[[AP]], 8, %[[AP2:[gilo][0-7]]]48; stx %[[AP2]], [%fp+2039]49; ldd [%[[AP]]]50sw.bb3:51 %2 = va_arg ptr %ap, double52 br label %for.cond.backedge53 54for.cond.backedge:55 %.pn = phi double [ %2, %sw.bb3 ], [ %conv2, %sw.bb ]56 %sum.addr.0.be = fadd double %.pn, %sum.addr.057 br label %for.cond58 59sw.default:60 ret double %sum.addr.061}62 63declare void @llvm.va_start(ptr)64 65@.str = private unnamed_addr constant [4 x i8] c"abc\00", align 166 67; CHECK: call_1d68; The fixed-arg double goes in %d2, the second goes in %o2.69; CHECK: sethi 104857670; CHECK: , %f271; CHECK: , %o272define i32 @call_1d() #0 {73entry:74 %call = call double (ptr, double, ...) @varargsfunc(ptr undef, double 1.000000e+00, double 2.000000e+00)75 ret i32 176}77