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1; RUN: llc -mtriple=hexagon -mcpu=hexagonv62 -mtriple=hexagon-unknown-linux-musl -O0 < %s | FileCheck %s2 3; CHECK-LABEL: foo:4 5; Check function prologue generation6; CHECK: r29 = add(r29,#-24)7; CHECK: memw(r29+#4) = r18; CHECK: memw(r29+#8) = r29; CHECK: memw(r29+#12) = r310; CHECK: memw(r29+#16) = r411; CHECK: memw(r29+#20) = r512; CHECK: r29 = add(r29,#24)13 14 15%struct.AAA = type { i32, i32, i32, i32 }16%struct.__va_list_tag = type { ptr, ptr, ptr }17 18@aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 419@.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 120 21; Function Attrs: nounwind22define i32 @foo(i32 %xx, ...) #0 {23entry:24 %ap = alloca [1 x %struct.__va_list_tag], align 825 call void @llvm.va_start(ptr %ap)26 %__current_saved_reg_area_pointer = load ptr, ptr %ap, align 827 %__saved_reg_area_end_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 0, i32 128 %__saved_reg_area_end_pointer = load ptr, ptr %__saved_reg_area_end_pointer_p, align 429 %__new_saved_reg_area_pointer = getelementptr i8, ptr %__current_saved_reg_area_pointer, i32 430 %0 = icmp sgt ptr %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer31 %__overflow_area_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 0, i32 232 %__overflow_area_pointer = load ptr, ptr %__overflow_area_pointer_p, align 833 br i1 %0, label %vaarg.on_stack, label %vaarg.end34 35vaarg.on_stack: ; preds = %entry36 %__overflow_area_pointer.next = getelementptr i8, ptr %__overflow_area_pointer, i32 437 store ptr %__overflow_area_pointer.next, ptr %__overflow_area_pointer_p, align 838 br label %vaarg.end39 40vaarg.end: ; preds = %entry, %vaarg.on_stack41 %__overflow_area_pointer5 = phi ptr [ %__overflow_area_pointer.next, %vaarg.on_stack ], [ %__overflow_area_pointer, %entry ]42 %storemerge32 = phi ptr [ %__overflow_area_pointer.next, %vaarg.on_stack ], [ %__new_saved_reg_area_pointer, %entry ]43 %vaarg.addr.in = phi ptr [ %__overflow_area_pointer, %vaarg.on_stack ], [ %__current_saved_reg_area_pointer, %entry ]44 store ptr %storemerge32, ptr %ap, align 845 %1 = load i32, ptr %vaarg.addr.in, align 446 %__overflow_area_pointer_p4 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 0, i32 247 %__overflow_area_pointer.next6 = getelementptr i8, ptr %__overflow_area_pointer5, i32 1648 store ptr %__overflow_area_pointer.next6, ptr %__overflow_area_pointer_p4, align 849 %bbb.sroa.1.0.idx27 = getelementptr inbounds i8, ptr %__overflow_area_pointer5, i32 1250 %bbb.sroa.1.0.copyload = load i32, ptr %bbb.sroa.1.0.idx27, align 451 %add8 = add nsw i32 %bbb.sroa.1.0.copyload, %152 %__new_saved_reg_area_pointer15 = getelementptr i8, ptr %storemerge32, i32 453 %2 = icmp sgt ptr %__new_saved_reg_area_pointer15, %__saved_reg_area_end_pointer54 br i1 %2, label %vaarg.on_stack17, label %vaarg.end2155 56vaarg.on_stack17: ; preds = %vaarg.end57 %__overflow_area_pointer.next20 = getelementptr i8, ptr %__overflow_area_pointer5, i32 2058 store ptr %__overflow_area_pointer.next20, ptr %__overflow_area_pointer_p4, align 859 br label %vaarg.end2160 61vaarg.end21: ; preds = %vaarg.end, %vaarg.on_stack1762 %storemerge = phi ptr [ %__overflow_area_pointer.next20, %vaarg.on_stack17 ], [ %__new_saved_reg_area_pointer15, %vaarg.end ]63 %vaarg.addr22.in = phi ptr [ %__overflow_area_pointer.next6, %vaarg.on_stack17 ], [ %storemerge32, %vaarg.end ]64 store ptr %storemerge, ptr %ap, align 865 %3 = load i32, ptr %vaarg.addr22.in, align 466 %add23 = add nsw i32 %add8, %367 call void @llvm.va_end(ptr %ap)68 ret i32 %add2369}70 71; Function Attrs: nounwind72declare void @llvm.va_start(ptr) #173 74; Function Attrs: nounwind75declare void @llvm.va_end(ptr) #176 77; Function Attrs: nounwind78define i32 @main() #0 {79entry:80 %call = tail call i32 (i32, ...) @foo(i32 undef, i32 2, ptr byval(%struct.AAA) align 4 @aaa, i32 4)81 %call1 = tail call i32 (ptr, ...) @printf(ptr @.str, i32 %call) #182 ret i32 %call83}84 85; Function Attrs: nounwind86declare i32 @printf(ptr nocapture readonly, ...) #087 88attributes #0 = { nounwind }89 90!llvm.ident = !{!0}91 92!0 = !{!"Clang 3.1"}93