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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.6; Note. All register numbers and offset are fixed.7; Hence, no need of regular expression.8 9; CHECK: r29 = add(r29,#-24)10; CHECK: r7:6 = memd(r29+#24)11; CHECK: memd(r29+#0) = r7:612; CHECK: r7:6 = memd(r29+#32)13; CHECK: memd(r29+#8) = r7:614; CHECK: r7:6 = memd(r29+#40)15; CHECK: memd(r29+#16) = r7:616; CHECK: memw(r29+#28) = r117; CHECK: memw(r29+#32) = r218; CHECK: memw(r29+#36) = r319; CHECK: memw(r29+#40) = r420; CHECK: memw(r29+#44) = r521; CHECK: r29 = add(r29,#24)22 23%struct.AAA = type { i32, i32, i32, i32 }24%struct.BBB = type { i8, i64, i32 }25%struct.__va_list_tag = type { ptr, ptr, ptr }26 27@aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 428@ddd = global { i8, i64, i32, [4 x i8] } { i8 1, i64 1000000, i32 5, [4 x i8] undef }, align 829@.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 130 31; Function Attrs: nounwind32define i32 @foo(i32 %xx, ptr byval(%struct.BBB) align 8 %eee, ...) #0 {33entry:34 %xx.addr = alloca i32, align 435 %ap = alloca [1 x %struct.__va_list_tag], align 836 %d = alloca i32, align 437 %k = alloca i64, align 838 %ret = alloca i32, align 439 %bbb = alloca %struct.AAA, align 440 store i32 %xx, ptr %xx.addr, align 441 store i32 0, ptr %ret, align 442 %0 = load i8, ptr %eee, align 143 %tobool = trunc i8 %0 to i144 br i1 %tobool, label %if.then, label %if.end45 46if.then: ; preds = %entry47 store i32 1, ptr %ret, align 448 br label %if.end49 50if.end: ; preds = %if.then, %entry51 call void @llvm.va_start(ptr %ap)52 br label %vaarg.maybe_reg53 54vaarg.maybe_reg: ; preds = %if.end55 %__current_saved_reg_area_pointer = load ptr, ptr %ap56 %__saved_reg_area_end_pointer_p = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 157 %__saved_reg_area_end_pointer = load ptr, ptr %__saved_reg_area_end_pointer_p58 %1 = ptrtoint ptr %__current_saved_reg_area_pointer to i3259 %align_current_saved_reg_area_pointer = add i32 %1, 760 %align_current_saved_reg_area_pointer3 = and i32 %align_current_saved_reg_area_pointer, -861 %align_current_saved_reg_area_pointer4 = inttoptr i32 %align_current_saved_reg_area_pointer3 to ptr62 %__new_saved_reg_area_pointer = getelementptr i8, ptr %align_current_saved_reg_area_pointer4, i32 863 %2 = icmp sgt ptr %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer64 br i1 %2, label %vaarg.on_stack, label %vaarg.in_reg65 66vaarg.in_reg: ; preds = %vaarg.maybe_reg67 store ptr %__new_saved_reg_area_pointer, ptr %ap68 br label %vaarg.end69 70vaarg.on_stack: ; preds = %vaarg.maybe_reg71 %__overflow_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 272 %__overflow_area_pointer = load ptr, ptr %__overflow_area_pointer_p73 %3 = ptrtoint ptr %__overflow_area_pointer to i3274 %align_overflow_area_pointer = add i32 %3, 775 %align_overflow_area_pointer5 = and i32 %align_overflow_area_pointer, -876 %align_overflow_area_pointer6 = inttoptr i32 %align_overflow_area_pointer5 to ptr77 %__overflow_area_pointer.next = getelementptr i8, ptr %align_overflow_area_pointer6, i32 878 store ptr %__overflow_area_pointer.next, ptr %__overflow_area_pointer_p79 store ptr %__overflow_area_pointer.next, ptr %ap80 br label %vaarg.end81 82vaarg.end: ; preds = %vaarg.on_stack, %vaarg.in_reg83 %vaarg.addr = phi ptr [ %align_current_saved_reg_area_pointer4, %vaarg.in_reg ], [ %align_overflow_area_pointer6, %vaarg.on_stack ]84 %4 = load i64, ptr %vaarg.addr85 store i64 %4, ptr %k, align 886 %5 = load i64, ptr %k, align 887 %conv = trunc i64 %5 to i3288 %div = sdiv i32 %conv, 100089 %6 = load i32, ptr %ret, align 490 %add = add nsw i32 %6, %div91 store i32 %add, ptr %ret, align 492 %__overflow_area_pointer_p8 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 293 %__overflow_area_pointer9 = load ptr, ptr %__overflow_area_pointer_p894 %__overflow_area_pointer.next10 = getelementptr i8, ptr %__overflow_area_pointer9, i32 1695 store ptr %__overflow_area_pointer.next10, ptr %__overflow_area_pointer_p896 call void @llvm.memcpy.p0.p0.i32(ptr %bbb, ptr %__overflow_area_pointer9, i32 16, i32 4, i1 false)97 %d11 = getelementptr inbounds %struct.AAA, ptr %bbb, i32 0, i32 398 %7 = load i32, ptr %d11, align 499 %8 = load i32, ptr %ret, align 4100 %add12 = add nsw i32 %8, %7101 store i32 %add12, ptr %ret, align 4102 br label %vaarg.maybe_reg14103 104vaarg.maybe_reg14: ; preds = %vaarg.end105 %__current_saved_reg_area_pointer16 = load ptr, ptr %ap106 %__saved_reg_area_end_pointer_p17 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 1107 %__saved_reg_area_end_pointer18 = load ptr, ptr %__saved_reg_area_end_pointer_p17108 %__new_saved_reg_area_pointer19 = getelementptr i8, ptr %__current_saved_reg_area_pointer16, i32 4109 %9 = icmp sgt ptr %__new_saved_reg_area_pointer19, %__saved_reg_area_end_pointer18110 br i1 %9, label %vaarg.on_stack21, label %vaarg.in_reg20111 112vaarg.in_reg20: ; preds = %vaarg.maybe_reg14113 store ptr %__new_saved_reg_area_pointer19, ptr %ap114 br label %vaarg.end25115 116vaarg.on_stack21: ; preds = %vaarg.maybe_reg14117 %__overflow_area_pointer_p22 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2118 %__overflow_area_pointer23 = load ptr, ptr %__overflow_area_pointer_p22119 %__overflow_area_pointer.next24 = getelementptr i8, ptr %__overflow_area_pointer23, i32 4120 store ptr %__overflow_area_pointer.next24, ptr %__overflow_area_pointer_p22121 store ptr %__overflow_area_pointer.next24, ptr %ap122 br label %vaarg.end25123 124vaarg.end25: ; preds = %vaarg.on_stack21, %vaarg.in_reg20125 %vaarg.addr26 = phi ptr [ %__current_saved_reg_area_pointer16, %vaarg.in_reg20 ], [ %__overflow_area_pointer23, %vaarg.on_stack21 ]126 %10 = load i32, ptr %vaarg.addr26127 store i32 %10, ptr %d, align 4128 %11 = load i32, ptr %d, align 4129 %12 = load i32, ptr %ret, align 4130 %add27 = add nsw i32 %12, %11131 store i32 %add27, ptr %ret, align 4132 call void @llvm.va_end(ptr %ap)133 %13 = load i32, ptr %ret, align 4134 ret i32 %13135}136 137; Function Attrs: nounwind138declare void @llvm.va_start(ptr) #1139 140; Function Attrs: nounwind141declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i32, i1) #1142 143; Function Attrs: nounwind144declare void @llvm.va_end(ptr) #1145 146; Function Attrs: nounwind147define i32 @main() #0 {148entry:149 %retval = alloca i32, align 4150 %x = alloca i32, align 4151 %m = alloca i64, align 8152 store i32 0, ptr %retval153 store i64 1000000, ptr %m, align 8154 %0 = load i64, ptr %m, align 8155 %call = call i32 (i32, ptr, ...) @foo(i32 1, ptr byval(%struct.BBB) align 8 @ddd, i64 %0, ptr byval(%struct.AAA) align 4 @aaa, i32 4)156 store i32 %call, ptr %x, align 4157 %1 = load i32, ptr %x, align 4158 %call1 = call i32 (ptr, ...) @printf(ptr @.str, i32 %1)159 %2 = load i32, ptr %x, align 4160 ret i32 %2161}162 163declare i32 @printf(ptr, ...) #2164 165attributes #1 = { nounwind }166 167!llvm.ident = !{!0}168 169!0 = !{!"Clang 3.1"}170