; Tests if the __llvm_gcov_ctr section contains a .ref pseudo-op ; referring to the __llvm_covinit section. ; RUN: llc < %s | FileCheck --check-prefixes=CHECK,CHECK-RW %s ; RUN: llc -mxcoff-roptr < %s | FileCheck --check-prefixes=CHECK,CHECK-RO %s target datalayout = "E-m:a-p:32:32-Fi32-i64:64-n32" target triple = "powerpc-ibm-aix" ; CHECK-RW: .csect __llvm_covinit[RW],3 ; CHECK-RO: .csect __llvm_covinit[RO],3 ; CHECK-NEXT: .align 3 # @__llvm_covinit_functions ; CHECK-NEXT: L..__llvm_covinit_functions: ; CHECK-NEXT: .vbyte 4, __llvm_gcov_writeout[DS] ; CHECK-NEXT: .vbyte 4, __llvm_gcov_reset[DS] ; CHECK: .csect __llvm_gcov_ctr_section[RW],3 ; CHECK-NEXT: .lglobl __llvm_gcov_ctr # @_MergedGlobals ; CHECK-NEXT: .lglobl __llvm_gcov_ctr.1 ; CHECK-NEXT: .align 3 ; CHECK-NEXT: L.._MergedGlobals: ; CHECK-NEXT: __llvm_gcov_ctr: ; CHECK-NEXT: .space 8 ; CHECK-NEXT: __llvm_gcov_ctr.1: ; CHECK-NEXT: .space 8 ; CHECK: .csect __llvm_gcov_ctr_section[RW],3 ; CHECK-RW-NEXT: .ref __llvm_covinit[RW] ; CHECK-RO-NEXT: .ref __llvm_covinit[RO] %emit_function_args_ty = type { i32, i32, i32 } %emit_arcs_args_ty = type { i32, ptr } %file_info = type { %start_file_args_ty, i32, ptr, ptr } %start_file_args_ty = type { ptr, i32, i32 } @__llvm_gcov_ctr = internal global [1 x i64] zeroinitializer, section "__llvm_gcov_ctr_section" @__llvm_gcov_ctr.1 = internal global [1 x i64] zeroinitializer, section "__llvm_gcov_ctr_section" @0 = private unnamed_addr constant [10 x i8] c"test.gcda\00", align 1 @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant [2 x %emit_function_args_ty] [%emit_function_args_ty { i32 0, i32 1961870044, i32 -801444649 }, %emit_function_args_ty { i32 1, i32 1795396728, i32 -801444649 }] @__llvm_internal_gcov_emit_arcs_args.0 = internal unnamed_addr constant [2 x %emit_arcs_args_ty] [%emit_arcs_args_ty { i32 1, ptr @__llvm_gcov_ctr }, %emit_arcs_args_ty { i32 1, ptr @__llvm_gcov_ctr.1 }] @__llvm_internal_gcov_emit_file_info = internal unnamed_addr constant [1 x %file_info] [%file_info { %start_file_args_ty { ptr @0, i32 875575338, i32 -801444649 }, i32 2, ptr @__llvm_internal_gcov_emit_function_args.0, ptr @__llvm_internal_gcov_emit_arcs_args.0 }] @__llvm_covinit_functions = private constant { ptr, ptr } { ptr @__llvm_gcov_writeout, ptr @__llvm_gcov_reset }, section "__llvm_covinit", align 8 define i32 @bar() { entry: %gcov_ctr = load i64, ptr @__llvm_gcov_ctr, align 8 %0 = add i64 %gcov_ctr, 1 store i64 %0, ptr @__llvm_gcov_ctr, align 8 ret i32 1 } define i32 @main() { entry: %gcov_ctr = load i64, ptr @__llvm_gcov_ctr.1, align 8 %0 = add i64 %gcov_ctr, 1 store i64 %0, ptr @__llvm_gcov_ctr.1, align 8 %retval = alloca i32, align 4 store i32 0, ptr %retval, align 4 %call = call i32 @bar() %sub = sub nsw i32 %call, 1 ret i32 %sub } define internal void @__llvm_gcov_writeout() unnamed_addr { entry: br label %file.loop.header file.loop.header: ; preds = %file.loop.latch, %entry %file_idx = phi i32 [ 0, %entry ], [ %next_file_idx, %file.loop.latch ] %0 = getelementptr inbounds [1 x %file_info], ptr @__llvm_internal_gcov_emit_file_info, i32 0, i32 %file_idx %start_file_args = getelementptr inbounds nuw %file_info, ptr %0, i32 0, i32 0 %1 = getelementptr inbounds nuw %start_file_args_ty, ptr %start_file_args, i32 0, i32 0 %filename = load ptr, ptr %1, align 4 %2 = getelementptr inbounds nuw %start_file_args_ty, ptr %start_file_args, i32 0, i32 1 %version = load i32, ptr %2, align 4 %3 = getelementptr inbounds nuw %start_file_args_ty, ptr %start_file_args, i32 0, i32 2 %stamp = load i32, ptr %3, align 4 call void @llvm_gcda_start_file(ptr %filename, i32 %version, i32 %stamp) %4 = getelementptr inbounds nuw %file_info, ptr %0, i32 0, i32 1 %num_ctrs = load i32, ptr %4, align 4 %5 = getelementptr inbounds nuw %file_info, ptr %0, i32 0, i32 2 %emit_function_args = load ptr, ptr %5, align 4 %6 = getelementptr inbounds nuw %file_info, ptr %0, i32 0, i32 3 %emit_arcs_args = load ptr, ptr %6, align 4 %7 = icmp slt i32 0, %num_ctrs br i1 %7, label %counter.loop.header, label %file.loop.latch counter.loop.header: ; preds = %counter.loop.header, %file.loop.header %ctr_idx = phi i32 [ 0, %file.loop.header ], [ %15, %counter.loop.header ] %8 = getelementptr inbounds %emit_function_args_ty, ptr %emit_function_args, i32 %ctr_idx %9 = getelementptr inbounds nuw %emit_function_args_ty, ptr %8, i32 0, i32 0 %ident = load i32, ptr %9, align 4 %10 = getelementptr inbounds nuw %emit_function_args_ty, ptr %8, i32 0, i32 1 %func_checkssum = load i32, ptr %10, align 4 %11 = getelementptr inbounds nuw %emit_function_args_ty, ptr %8, i32 0, i32 2 %cfg_checksum = load i32, ptr %11, align 4 call void @llvm_gcda_emit_function(i32 %ident, i32 %func_checkssum, i32 %cfg_checksum) %12 = getelementptr inbounds %emit_arcs_args_ty, ptr %emit_arcs_args, i32 %ctr_idx %13 = getelementptr inbounds nuw %emit_arcs_args_ty, ptr %12, i32 0, i32 0 %num_counters = load i32, ptr %13, align 4 %14 = getelementptr inbounds nuw %emit_arcs_args_ty, ptr %12, i32 0, i32 1 %counters = load ptr, ptr %14, align 4 call void @llvm_gcda_emit_arcs(i32 %num_counters, ptr %counters) %15 = add i32 %ctr_idx, 1 %16 = icmp slt i32 %15, %num_ctrs br i1 %16, label %counter.loop.header, label %file.loop.latch file.loop.latch: ; preds = %counter.loop.header, %file.loop.header call void @llvm_gcda_summary_info() call void @llvm_gcda_end_file() %next_file_idx = add i32 %file_idx, 1 %17 = icmp slt i32 %next_file_idx, 1 br i1 %17, label %file.loop.header, label %exit exit: ; preds = %file.loop.latch ret void } declare void @llvm_gcda_start_file(ptr, i32, i32) declare void @llvm_gcda_emit_function(i32, i32, i32) declare void @llvm_gcda_emit_arcs(i32, ptr) declare void @llvm_gcda_summary_info() declare void @llvm_gcda_end_file() define internal void @__llvm_gcov_reset() unnamed_addr { entry: call void @llvm.memset.p0.i64(ptr @__llvm_gcov_ctr, i8 0, i64 8, i1 false) call void @llvm.memset.p0.i64(ptr @__llvm_gcov_ctr.1, i8 0, i64 8, i1 false) ret void } declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg)