; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 ; RUN: opt < %s -passes=inline -S | FileCheck %s ; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s %struct.a = type { i32, i32, i32, i32, i32 } @g_var = global %struct.a { i32 1, i32 0, i32 0, i32 0, i32 0 }, align 8 @other_g_var = global %struct.a zeroinitializer, align 4 define void @callee(ptr noundef byval(%struct.a) align 8 %ptr) { ; CHECK-LABEL: define void @callee( ; CHECK-SAME: ptr noundef byval([[STRUCT_A:%.*]]) align 8 [[PTR:%.*]]) { ; CHECK-NEXT: entry: ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[PTR]], align 8 ; CHECK-NEXT: [[DOTNOT:%.*]] = icmp eq i32 [[VAL]], 0 ; CHECK-NEXT: br i1 [[DOTNOT]], label [[CHECK_POINTERS_ARE_EQUAL:%.*]], label [[STORE_PTR_IN_GVAR:%.*]] ; CHECK: store_ptr_in_gvar: ; CHECK-NEXT: store ptr [[PTR]], ptr @other_g_var, align 8 ; CHECK-NEXT: br label [[CHECK_POINTERS_ARE_EQUAL]] ; CHECK: check_pointers_are_equal: ; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[PTR]], [[STORE_PTR_IN_GVAR]] ], [ @other_g_var, [[ENTRY:%.*]] ] ; CHECK-NEXT: [[DOTNOT1:%.*]] = icmp eq ptr [[PHI]], [[PTR]] ; CHECK-NEXT: br i1 [[DOTNOT1]], label [[RETURN:%.*]], label [[ABORT:%.*]] ; CHECK: abort: ; CHECK-NEXT: call void @abort() ; CHECK-NEXT: unreachable ; CHECK: return: ; CHECK-NEXT: ret void ; entry: %val = load i32, ptr %ptr, align 8 %.not = icmp eq i32 %val, 0 br i1 %.not, label %check_pointers_are_equal, label %store_ptr_in_gvar store_ptr_in_gvar: ; preds = %entry store ptr %ptr, ptr @other_g_var, align 8 br label %check_pointers_are_equal check_pointers_are_equal: ; preds = %store_ptr_in_gvar, %entry %phi = phi ptr [ %ptr, %store_ptr_in_gvar ], [ @other_g_var, %entry ] %.not1 = icmp eq ptr %phi, %ptr br i1 %.not1, label %return, label %abort abort: ; preds = %check_pointers_are_equal call void @abort() unreachable return: ; preds = %check_pointers_are_equal ret void } define i32 @main() { ; CHECK-LABEL: define i32 @main() { ; CHECK-NEXT: [[G_VAR:%.*]] = alloca [[STRUCT_A:%.*]], align 8 ; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 20, ptr [[G_VAR]]) ; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[G_VAR]], ptr align 8 @g_var, i64 20, i1 false) ; CHECK-NEXT: [[VAL_I:%.*]] = load i32, ptr [[G_VAR]], align 8 ; CHECK-NEXT: [[DOTNOT_I:%.*]] = icmp eq i32 [[VAL_I]], 0 ; CHECK-NEXT: br i1 [[DOTNOT_I]], label [[CHECK_POINTERS_ARE_EQUAL_I:%.*]], label [[STORE_PTR_IN_GVAR_I:%.*]] ; CHECK: store_ptr_in_gvar.i: ; CHECK-NEXT: store ptr [[G_VAR]], ptr @other_g_var, align 8 ; CHECK-NEXT: br label [[CHECK_POINTERS_ARE_EQUAL_I]] ; CHECK: check_pointers_are_equal.i: ; CHECK-NEXT: [[PHI_I:%.*]] = phi ptr [ [[G_VAR]], [[STORE_PTR_IN_GVAR_I]] ], [ @other_g_var, [[TMP0:%.*]] ] ; CHECK-NEXT: [[DOTNOT1_I:%.*]] = icmp eq ptr [[PHI_I]], [[G_VAR]] ; CHECK-NEXT: br i1 [[DOTNOT1_I]], label [[CALLEE_EXIT:%.*]], label [[ABORT_I:%.*]] ; CHECK: abort.i: ; CHECK-NEXT: call void @abort() ; CHECK-NEXT: unreachable ; CHECK: callee.exit: ; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 20, ptr [[G_VAR]]) ; CHECK-NEXT: ret i32 0 ; call void @callee(ptr noundef byval(%struct.a) align 8 @g_var) ret i32 0 } declare void @abort()