1; RUN: llc -mtriple=hexagon -mcpu=hexagonv62 -mtriple=hexagon-unknown-linux-musl -O0 < %s | FileCheck %s 2 3; CHECK-LABEL: foo: 4 5; Check function prologue generation 6; CHECK: r29 = add(r29,#-24) 7; CHECK: memw(r29+#4) = r1 8; CHECK: memw(r29+#8) = r2 9; CHECK: memw(r29+#12) = r3 10; CHECK: memw(r29+#16) = r4 11; CHECK: memw(r29+#20) = r5 12; 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 4 19@.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 1 20 21; Function Attrs: nounwind 22define i32 @foo(i32 %xx, ...) #0 { 23entry: 24 %ap = alloca [1 x %struct.__va_list_tag], align 8 25 call void @llvm.va_start(ptr %ap) 26 %__current_saved_reg_area_pointer = load ptr, ptr %ap, align 8 27 %__saved_reg_area_end_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 0, i32 1 28 %__saved_reg_area_end_pointer = load ptr, ptr %__saved_reg_area_end_pointer_p, align 4 29 %__new_saved_reg_area_pointer = getelementptr i8, ptr %__current_saved_reg_area_pointer, i32 4 30 %0 = icmp sgt ptr %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer 31 %__overflow_area_pointer_p = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 0, i32 2 32 %__overflow_area_pointer = load ptr, ptr %__overflow_area_pointer_p, align 8 33 br i1 %0, label %vaarg.on_stack, label %vaarg.end 34 35vaarg.on_stack: ; preds = %entry 36 %__overflow_area_pointer.next = getelementptr i8, ptr %__overflow_area_pointer, i32 4 37 store ptr %__overflow_area_pointer.next, ptr %__overflow_area_pointer_p, align 8 38 br label %vaarg.end 39 40vaarg.end: ; preds = %entry, %vaarg.on_stack 41 %__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 8 45 %1 = load i32, ptr %vaarg.addr.in, align 4 46 %__overflow_area_pointer_p4 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 0, i32 2 47 %__overflow_area_pointer.next6 = getelementptr i8, ptr %__overflow_area_pointer5, i32 16 48 store ptr %__overflow_area_pointer.next6, ptr %__overflow_area_pointer_p4, align 8 49 %bbb.sroa.1.0.idx27 = getelementptr inbounds i8, ptr %__overflow_area_pointer5, i32 12 50 %bbb.sroa.1.0.copyload = load i32, ptr %bbb.sroa.1.0.idx27, align 4 51 %add8 = add nsw i32 %bbb.sroa.1.0.copyload, %1 52 %__new_saved_reg_area_pointer15 = getelementptr i8, ptr %storemerge32, i32 4 53 %2 = icmp sgt ptr %__new_saved_reg_area_pointer15, %__saved_reg_area_end_pointer 54 br i1 %2, label %vaarg.on_stack17, label %vaarg.end21 55 56vaarg.on_stack17: ; preds = %vaarg.end 57 %__overflow_area_pointer.next20 = getelementptr i8, ptr %__overflow_area_pointer5, i32 20 58 store ptr %__overflow_area_pointer.next20, ptr %__overflow_area_pointer_p4, align 8 59 br label %vaarg.end21 60 61vaarg.end21: ; preds = %vaarg.end, %vaarg.on_stack17 62 %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 8 65 %3 = load i32, ptr %vaarg.addr22.in, align 4 66 %add23 = add nsw i32 %add8, %3 67 call void @llvm.va_end(ptr %ap) 68 ret i32 %add23 69} 70 71; Function Attrs: nounwind 72declare void @llvm.va_start(ptr) #1 73 74; Function Attrs: nounwind 75declare void @llvm.va_end(ptr) #1 76 77; Function Attrs: nounwind 78define 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) #1 82 ret i32 %call 83} 84 85; Function Attrs: nounwind 86declare i32 @printf(ptr nocapture readonly, ...) #0 87 88attributes #0 = { nounwind } 89 90!llvm.ident = !{!0} 91 92!0 = !{!"Clang 3.1"} 93