; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes ; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=3 < %s | FileCheck %s %struct.ss = type { i32, i64 } ; Don't drop 'byval' on %X here. define internal void @f(%struct.ss* byval %b, i32* byval %X, i32 %i) nounwind { ; CHECK-LABEL: define {{[^@]+}}@f ; CHECK-SAME: (%struct.ss* noalias nocapture nofree nonnull byval align 8 dereferenceable(12) [[B:%.*]], i32* nocapture nofree nonnull writeonly byval dereferenceable(4) [[X:%.*]], i32 [[I:%.*]]) ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP:%.*]] = getelementptr [[STRUCT_SS:%.*]], %struct.ss* [[B]], i32 0, i32 0 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP]], align 8 ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP1]], 1 ; CHECK-NEXT: store i32 [[TMP2]], i32* [[TMP]], align 8 ; CHECK-NEXT: store i32 0, i32* [[X]] ; CHECK-NEXT: ret void ; entry: %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0 %tmp1 = load i32, i32* %tmp, align 4 %tmp2 = add i32 %tmp1, 1 store i32 %tmp2, i32* %tmp, align 4 store i32 %i, i32* %X ret void } ; Also make sure we don't drop the call zeroext attribute. define i32 @test(i32* %X) { ; CHECK-LABEL: define {{[^@]+}}@test ; CHECK-SAME: (i32* nocapture nofree readonly [[X:%.*]]) ; CHECK-NEXT: entry: ; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]] ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0 ; CHECK-NEXT: store i32 1, i32* [[TMP1]], align 8 ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1 ; CHECK-NEXT: store i64 2, i64* [[TMP4]], align 4 ; CHECK-NEXT: call void @f(%struct.ss* noalias nocapture nofree nonnull readonly byval align 8 dereferenceable(12) [[S]], i32* nocapture nofree readonly byval [[X]], i32 zeroext 0) ; CHECK-NEXT: ret i32 0 ; entry: %S = alloca %struct.ss %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0 store i32 1, i32* %tmp1, align 8 %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1 store i64 2, i64* %tmp4, align 4 call void @f( %struct.ss* byval %S, i32* byval %X, i32 zeroext 0) ret i32 0 }