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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,#-8)10; CHECK: memw(r29+#4) = r511; CHECK: r29 = add(r29,#8)12 13%struct.AAA = type { i32, i32, i32, i32 }14%struct.__va_list_tag = type { ptr, ptr, ptr }15 16@aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 417@.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 118 19; Function Attrs: nounwind20define i32 @foo(i32 %xx, i32 %a, i32 %b, i32 %c, i32 %x, ...) #0 {21entry:22 %xx.addr = alloca i32, align 423 %a.addr = alloca i32, align 424 %b.addr = alloca i32, align 425 %c.addr = alloca i32, align 426 %x.addr = alloca i32, align 427 %ap = alloca [1 x %struct.__va_list_tag], align 828 %d = alloca i32, align 429 %ret = alloca i32, align 430 %bbb = alloca %struct.AAA, align 431 store i32 %xx, ptr %xx.addr, align 432 store i32 %a, ptr %a.addr, align 433 store i32 %b, ptr %b.addr, align 434 store i32 %c, ptr %c.addr, align 435 store i32 %x, ptr %x.addr, align 436 store i32 0, ptr %ret, align 437 call void @llvm.va_start(ptr %ap)38 br label %vaarg.maybe_reg39 40vaarg.maybe_reg: ; preds = %entry41 %__current_saved_reg_area_pointer = load ptr, ptr %ap42 %__saved_reg_area_end_pointer_p = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 143 %__saved_reg_area_end_pointer = load ptr, ptr %__saved_reg_area_end_pointer_p44 %0 = ptrtoint ptr %__current_saved_reg_area_pointer to i3245 %align_current_saved_reg_area_pointer = add i32 %0, 746 %align_current_saved_reg_area_pointer3 = and i32 %align_current_saved_reg_area_pointer, -847 %align_current_saved_reg_area_pointer4 = inttoptr i32 %align_current_saved_reg_area_pointer3 to ptr48 %__new_saved_reg_area_pointer = getelementptr i8, ptr %align_current_saved_reg_area_pointer4, i32 849 %1 = icmp sgt ptr %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer50 br i1 %1, label %vaarg.on_stack, label %vaarg.in_reg51 52vaarg.in_reg: ; preds = %vaarg.maybe_reg53 store ptr %__new_saved_reg_area_pointer, ptr %ap54 br label %vaarg.end55 56vaarg.on_stack: ; preds = %vaarg.maybe_reg57 %__overflow_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 258 %__overflow_area_pointer = load ptr, ptr %__overflow_area_pointer_p59 %2 = ptrtoint ptr %__overflow_area_pointer to i3260 %align_overflow_area_pointer = add i32 %2, 761 %align_overflow_area_pointer5 = and i32 %align_overflow_area_pointer, -862 %align_overflow_area_pointer6 = inttoptr i32 %align_overflow_area_pointer5 to ptr63 %__overflow_area_pointer.next = getelementptr i8, ptr %align_overflow_area_pointer6, i32 864 store ptr %__overflow_area_pointer.next, ptr %__overflow_area_pointer_p65 store ptr %__overflow_area_pointer.next, ptr %ap66 br label %vaarg.end67 68vaarg.end: ; preds = %vaarg.on_stack, %vaarg.in_reg69 %vaarg.addr = phi ptr [ %align_current_saved_reg_area_pointer4, %vaarg.in_reg ], [ %align_overflow_area_pointer6, %vaarg.on_stack ]70 %3 = load i64, ptr %vaarg.addr71 %conv = trunc i64 %3 to i3272 store i32 %conv, ptr %d, align 473 %4 = load i32, ptr %d, align 474 %5 = load i32, ptr %ret, align 475 %add = add nsw i32 %5, %476 store i32 %add, ptr %ret, align 477 %__overflow_area_pointer_p8 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 278 %__overflow_area_pointer9 = load ptr, ptr %__overflow_area_pointer_p879 %__overflow_area_pointer.next10 = getelementptr i8, ptr %__overflow_area_pointer9, i32 1680 store ptr %__overflow_area_pointer.next10, ptr %__overflow_area_pointer_p881 call void @llvm.memcpy.p0.p0.i32(ptr %bbb, ptr %__overflow_area_pointer9, i32 16, i32 4, i1 false)82 %d11 = getelementptr inbounds %struct.AAA, ptr %bbb, i32 0, i32 383 %6 = load i32, ptr %d11, align 484 %7 = load i32, ptr %ret, align 485 %add12 = add nsw i32 %7, %686 store i32 %add12, ptr %ret, align 487 br label %vaarg.maybe_reg1488 89vaarg.maybe_reg14: ; preds = %vaarg.end90 %__current_saved_reg_area_pointer16 = load ptr, ptr %ap91 %__saved_reg_area_end_pointer_p17 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 192 %__saved_reg_area_end_pointer18 = load ptr, ptr %__saved_reg_area_end_pointer_p1793 %__new_saved_reg_area_pointer19 = getelementptr i8, ptr %__current_saved_reg_area_pointer16, i32 494 %8 = icmp sgt ptr %__new_saved_reg_area_pointer19, %__saved_reg_area_end_pointer1895 br i1 %8, label %vaarg.on_stack21, label %vaarg.in_reg2096 97vaarg.in_reg20: ; preds = %vaarg.maybe_reg1498 store ptr %__new_saved_reg_area_pointer19, ptr %ap99 br label %vaarg.end25100 101vaarg.on_stack21: ; preds = %vaarg.maybe_reg14102 %__overflow_area_pointer_p22 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2103 %__overflow_area_pointer23 = load ptr, ptr %__overflow_area_pointer_p22104 %__overflow_area_pointer.next24 = getelementptr i8, ptr %__overflow_area_pointer23, i32 4105 store ptr %__overflow_area_pointer.next24, ptr %__overflow_area_pointer_p22106 store ptr %__overflow_area_pointer.next24, ptr %ap107 br label %vaarg.end25108 109vaarg.end25: ; preds = %vaarg.on_stack21, %vaarg.in_reg20110 %vaarg.addr26 = phi ptr [ %__current_saved_reg_area_pointer16, %vaarg.in_reg20 ], [ %__overflow_area_pointer23, %vaarg.on_stack21 ]111 %9 = load i32, ptr %vaarg.addr26112 store i32 %9, ptr %d, align 4113 %10 = load i32, ptr %d, align 4114 %11 = load i32, ptr %ret, align 4115 %add27 = add nsw i32 %11, %10116 store i32 %add27, ptr %ret, align 4117 br label %vaarg.maybe_reg29118 119vaarg.maybe_reg29: ; preds = %vaarg.end25120 %__current_saved_reg_area_pointer31 = load ptr, ptr %ap121 %__saved_reg_area_end_pointer_p32 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 1122 %__saved_reg_area_end_pointer33 = load ptr, ptr %__saved_reg_area_end_pointer_p32123 %12 = ptrtoint ptr %__current_saved_reg_area_pointer31 to i32124 %align_current_saved_reg_area_pointer34 = add i32 %12, 7125 %align_current_saved_reg_area_pointer35 = and i32 %align_current_saved_reg_area_pointer34, -8126 %align_current_saved_reg_area_pointer36 = inttoptr i32 %align_current_saved_reg_area_pointer35 to ptr127 %__new_saved_reg_area_pointer37 = getelementptr i8, ptr %align_current_saved_reg_area_pointer36, i32 8128 %13 = icmp sgt ptr %__new_saved_reg_area_pointer37, %__saved_reg_area_end_pointer33129 br i1 %13, label %vaarg.on_stack39, label %vaarg.in_reg38130 131vaarg.in_reg38: ; preds = %vaarg.maybe_reg29132 store ptr %__new_saved_reg_area_pointer37, ptr %ap133 br label %vaarg.end46134 135vaarg.on_stack39: ; preds = %vaarg.maybe_reg29136 %__overflow_area_pointer_p40 = getelementptr inbounds %struct.__va_list_tag, ptr %ap, i32 0, i32 2137 %__overflow_area_pointer41 = load ptr, ptr %__overflow_area_pointer_p40138 %14 = ptrtoint ptr %__overflow_area_pointer41 to i32139 %align_overflow_area_pointer42 = add i32 %14, 7140 %align_overflow_area_pointer43 = and i32 %align_overflow_area_pointer42, -8141 %align_overflow_area_pointer44 = inttoptr i32 %align_overflow_area_pointer43 to ptr142 %__overflow_area_pointer.next45 = getelementptr i8, ptr %align_overflow_area_pointer44, i32 8143 store ptr %__overflow_area_pointer.next45, ptr %__overflow_area_pointer_p40144 store ptr %__overflow_area_pointer.next45, ptr %ap145 br label %vaarg.end46146 147vaarg.end46: ; preds = %vaarg.on_stack39, %vaarg.in_reg38148 %vaarg.addr47 = phi ptr [ %align_current_saved_reg_area_pointer36, %vaarg.in_reg38 ], [ %align_overflow_area_pointer44, %vaarg.on_stack39 ]149 %15 = load i64, ptr %vaarg.addr47150 %conv48 = trunc i64 %15 to i32151 store i32 %conv48, ptr %d, align 4152 %16 = load i32, ptr %d, align 4153 %17 = load i32, ptr %ret, align 4154 %add49 = add nsw i32 %17, %16155 store i32 %add49, ptr %ret, align 4156 call void @llvm.va_end(ptr %ap)157 %18 = load i32, ptr %ret, align 4158 ret i32 %18159}160 161; Function Attrs: nounwind162declare void @llvm.va_start(ptr) #1163 164; Function Attrs: nounwind165declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i32, i1) #1166 167; Function Attrs: nounwind168declare void @llvm.va_end(ptr) #1169 170; Function Attrs: nounwind171define i32 @main() #0 {172entry:173 %retval = alloca i32, align 4174 %x = alloca i32, align 4175 %y = alloca i64, align 8176 store i32 0, ptr %retval177 store i64 1000000, ptr %y, align 8178 %0 = load i64, ptr %y, align 8179 %1 = load i64, ptr %y, align 8180 %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)181 store i32 %call, ptr %x, align 4182 %2 = load i32, ptr %x, align 4183 %call1 = call i32 (ptr, ...) @printf(ptr @.str, i32 %2)184 %3 = load i32, ptr %x, align 4185 ret i32 %3186}187 188declare i32 @printf(ptr, ...) #2189 190attributes #0 = { nounwind }191 192!llvm.ident = !{!0}193 194!0 = !{!"Clang 3.1"}195