; 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"}
Codebase Browser
llvm