; RUN: llc -march=hexagon -mcpu=hexagonv62 -mtriple=hexagon-unknown-linux-musl -O0 < %s | FileCheck %s ; CHECK-LABEL: foo: ; Check Function prologue. ; Note. All register numbers and offset are fixed. ; Hence, no need of regular expression. ; CHECK: r29 = add(r29,#-8) ; CHECK: memw(r29+#4) = r5 ; CHECK: r29 = add(r29,#8) %struct.AAA = type { i32, i32, i32, i32 } %struct.__va_list_tag = type { ptr, ptr, ptr } @aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 4 @.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 1 ; Function Attrs: nounwind define i32 @foo(i32 %xx, i32 %a, i32 %b, i32 %c, i32 %x, ...) #0 { entry: %xx.addr = alloca i32, align 4 %a.addr = alloca i32, align 4 %b.addr = alloca i32, align 4 %c.addr = alloca i32, align 4 %x.addr = alloca i32, align 4 %ap = alloca [1 x %struct.__va_list_tag], align 8 %d = alloca i32, align 4 %ret = alloca i32, align 4 %bbb = alloca %struct.AAA, align 4 store i32 %xx, ptr %xx.addr, align 4 store i32 %a, ptr %a.addr, align 4 store i32 %b, ptr %b.addr, align 4 store i32 %c, ptr %c.addr, align 4 store i32 %x, ptr %x.addr, align 4 store i32 0, ptr %ret, align 4 call void @llvm.va_start(ptr %ap) br label %vaarg.maybe_reg vaarg.maybe_reg: ; preds = %entry %__current_saved_reg_area_pointer = load ptr, ptr %ap %__saved_reg_area_end_pointer_p = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 1 %__saved_reg_area_end_pointer = load ptr, ptr %__saved_reg_area_end_pointer_p %0 = ptrtoint ptr %__current_saved_reg_area_pointer to i32 %align_current_saved_reg_area_pointer = add i32 %0, 7 %align_current_saved_reg_area_pointer3 = and i32 %align_current_saved_reg_area_pointer, -8 %align_current_saved_reg_area_pointer4 = inttoptr i32 %align_current_saved_reg_area_pointer3 to ptr %__new_saved_reg_area_pointer = getelementptr i8, ptr %align_current_saved_reg_area_pointer4, i32 8 %1 = icmp sgt ptr %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer br i1 %1, label %vaarg.on_stack, label %vaarg.in_reg vaarg.in_reg: ; preds = %vaarg.maybe_reg store ptr %__new_saved_reg_area_pointer, ptr %ap br label %vaarg.end vaarg.on_stack: ; preds = %vaarg.maybe_reg %__overflow_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2 %__overflow_area_pointer = load ptr, ptr %__overflow_area_pointer_p %2 = ptrtoint ptr %__overflow_area_pointer to i32 %align_overflow_area_pointer = add i32 %2, 7 %align_overflow_area_pointer5 = and i32 %align_overflow_area_pointer, -8 %align_overflow_area_pointer6 = inttoptr i32 %align_overflow_area_pointer5 to ptr %__overflow_area_pointer.next = getelementptr i8, ptr %align_overflow_area_pointer6, i32 8 store ptr %__overflow_area_pointer.next, ptr %__overflow_area_pointer_p store ptr %__overflow_area_pointer.next, ptr %ap br label %vaarg.end vaarg.end: ; preds = %vaarg.on_stack, %vaarg.in_reg %vaarg.addr = phi ptr [ %align_current_saved_reg_area_pointer4, %vaarg.in_reg ], [ %align_overflow_area_pointer6, %vaarg.on_stack ] %3 = load i64, ptr %vaarg.addr %conv = trunc i64 %3 to i32 store i32 %conv, ptr %d, align 4 %4 = load i32, ptr %d, align 4 %5 = load i32, ptr %ret, align 4 %add = add nsw i32 %5, %4 store i32 %add, ptr %ret, align 4 %__overflow_area_pointer_p8 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2 %__overflow_area_pointer9 = load ptr, ptr %__overflow_area_pointer_p8 %__overflow_area_pointer.next10 = getelementptr i8, ptr %__overflow_area_pointer9, i32 16 store ptr %__overflow_area_pointer.next10, ptr %__overflow_area_pointer_p8 call void @llvm.memcpy.p0.p0.i32(ptr %bbb, ptr %__overflow_area_pointer9, i32 16, i32 4, i1 false) %d11 = getelementptr inbounds %struct.AAA, ptr %bbb, i32 0, i32 3 %6 = load i32, ptr %d11, align 4 %7 = load i32, ptr %ret, align 4 %add12 = add nsw i32 %7, %6 store i32 %add12, ptr %ret, align 4 br label %vaarg.maybe_reg14 vaarg.maybe_reg14: ; preds = %vaarg.end %__current_saved_reg_area_pointer16 = load ptr, ptr %ap %__saved_reg_area_end_pointer_p17 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 1 %__saved_reg_area_end_pointer18 = load ptr, ptr %__saved_reg_area_end_pointer_p17 %__new_saved_reg_area_pointer19 = getelementptr i8, ptr %__current_saved_reg_area_pointer16, i32 4 %8 = icmp sgt ptr %__new_saved_reg_area_pointer19, %__saved_reg_area_end_pointer18 br i1 %8, label %vaarg.on_stack21, label %vaarg.in_reg20 vaarg.in_reg20: ; preds = %vaarg.maybe_reg14 store ptr %__new_saved_reg_area_pointer19, ptr %ap br label %vaarg.end25 vaarg.on_stack21: ; preds = %vaarg.maybe_reg14 %__overflow_area_pointer_p22 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2 %__overflow_area_pointer23 = load ptr, ptr %__overflow_area_pointer_p22 %__overflow_area_pointer.next24 = getelementptr i8, ptr %__overflow_area_pointer23, i32 4 store ptr %__overflow_area_pointer.next24, ptr %__overflow_area_pointer_p22 store ptr %__overflow_area_pointer.next24, ptr %ap br label %vaarg.end25 vaarg.end25: ; preds = %vaarg.on_stack21, %vaarg.in_reg20 %vaarg.addr26 = phi ptr [ %__current_saved_reg_area_pointer16, %vaarg.in_reg20 ], [ %__overflow_area_pointer23, %vaarg.on_stack21 ] %9 = load i32, ptr %vaarg.addr26 store i32 %9, ptr %d, align 4 %10 = load i32, ptr %d, align 4 %11 = load i32, ptr %ret, align 4 %add27 = add nsw i32 %11, %10 store i32 %add27, ptr %ret, align 4 br label %vaarg.maybe_reg29 vaarg.maybe_reg29: ; preds = %vaarg.end25 %__current_saved_reg_area_pointer31 = load ptr, ptr %ap %__saved_reg_area_end_pointer_p32 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 1 %__saved_reg_area_end_pointer33 = load ptr, ptr %__saved_reg_area_end_pointer_p32 %12 = ptrtoint ptr %__current_saved_reg_area_pointer31 to i32 %align_current_saved_reg_area_pointer34 = add i32 %12, 7 %align_current_saved_reg_area_pointer35 = and i32 %align_current_saved_reg_area_pointer34, -8 %align_current_saved_reg_area_pointer36 = inttoptr i32 %align_current_saved_reg_area_pointer35 to ptr %__new_saved_reg_area_pointer37 = getelementptr i8, ptr %align_current_saved_reg_area_pointer36, i32 8 %13 = icmp sgt ptr %__new_saved_reg_area_pointer37, %__saved_reg_area_end_pointer33 br i1 %13, label %vaarg.on_stack39, label %vaarg.in_reg38 vaarg.in_reg38: ; preds = %vaarg.maybe_reg29 store ptr %__new_saved_reg_area_pointer37, ptr %ap br label %vaarg.end46 vaarg.on_stack39: ; preds = %vaarg.maybe_reg29 %__overflow_area_pointer_p40 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2 %__overflow_area_pointer41 = load ptr, ptr %__overflow_area_pointer_p40 %14 = ptrtoint ptr %__overflow_area_pointer41 to i32 %align_overflow_area_pointer42 = add i32 %14, 7 %align_overflow_area_pointer43 = and i32 %align_overflow_area_pointer42, -8 %align_overflow_area_pointer44 = inttoptr i32 %align_overflow_area_pointer43 to ptr %__overflow_area_pointer.next45 = getelementptr i8, ptr %align_overflow_area_pointer44, i32 8 store ptr %__overflow_area_pointer.next45, ptr %__overflow_area_pointer_p40 store ptr %__overflow_area_pointer.next45, ptr %ap br label %vaarg.end46 vaarg.end46: ; preds = %vaarg.on_stack39, %vaarg.in_reg38 %vaarg.addr47 = phi ptr [ %align_current_saved_reg_area_pointer36, %vaarg.in_reg38 ], [ %align_overflow_area_pointer44, %vaarg.on_stack39 ] %15 = load i64, ptr %vaarg.addr47 %conv48 = trunc i64 %15 to i32 store i32 %conv48, ptr %d, align 4 %16 = load i32, ptr %d, align 4 %17 = load i32, ptr %ret, align 4 %add49 = add nsw i32 %17, %16 store i32 %add49, ptr %ret, align 4 call void @llvm.va_end(ptr %ap) %18 = load i32, ptr %ret, align 4 ret i32 %18 } ; Function Attrs: nounwind declare void @llvm.va_start(ptr) #1 ; Function Attrs: nounwind declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i32, i1) #1 ; Function Attrs: nounwind declare void @llvm.va_end(ptr) #1 ; Function Attrs: nounwind define i32 @main() #0 { entry: %retval = alloca i32, align 4 %x = alloca i32, align 4 %y = alloca i64, align 8 store i32 0, ptr %retval store i64 1000000, ptr %y, align 8 %0 = load i64, ptr %y, align 8 %1 = load i64, ptr %y, align 8 %call = call i32 (i32, i32, i32, i32, i32, ...) @foo(i32 1, i32 2, i32 3, i32 4, i32 5, i64 %0, ptr byval(%struct.AAA) align 4 @aaa, i32 4, i64 %1) store i32 %call, ptr %x, align 4 %2 = load i32, ptr %x, align 4 %call1 = call i32 (ptr, ...) @printf(ptr @.str, i32 %2) %3 = load i32, ptr %x, align 4 ret i32 %3 } declare i32 @printf(ptr, ...) #2 attributes #0 = { nounwind } !llvm.ident = !{!0} !0 = !{!"Clang 3.1"}