; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --include-generated-funcs ; RUN: opt -S -passes=lower-ifunc < %s | FileCheck %s @initialized_with_ifunc = global ptr @ifunc_constant_initializer_user @ifunc_1 = ifunc void (), ptr @resolver1 @ifunc_2 = ifunc void (), ptr @resolver1 ; Keep one with no users @ifunc_no_users = ifunc float (i64), ptr @resolver2 @ifunc7 = ifunc float (i64), ptr @resolver3 @ifunc_ptr_arg = ifunc void (ptr), ptr @resolver4 @ifunc_nonvoid_0 = ifunc i32 (double), ptr @resolver5 @ifunc_nonvoid_1 = ifunc i32 (double), ptr @resolver5 @ifunc_constant_initializer_user = ifunc i32 (double), ptr @resolver5 define ptr @resolver1() { ret ptr inttoptr (i64 123 to ptr) } define ptr @resolver2() { ret ptr inttoptr (i64 456 to ptr) } define ptr @resolver3() { ret ptr inttoptr (i64 789 to ptr) } define ptr @resolver4() { ret ptr inttoptr (i64 999 to ptr) } define ptr @resolver5() { ret ptr inttoptr (i64 420 to ptr) } ; Test call to ifunc define void @call_ifunc(ptr %ptr) { call void @ifunc_1() call void @ifunc_2() ret void } ; Test value use of ifunc define void @store_ifunc_2(ptr %ptr) { store ptr @ifunc_2, ptr %ptr store ptr %ptr, ptr @ifunc_2 ret void } declare void @other_func(ptr) ; Check a call user, but not as the call operand define void @call_ifunc_is_argument(ptr %ptr) { call void @other_func(ptr @ifunc_2) ret void } ; Check a call user calling the ifunc, and using the ifunc as an argument define void @call_ifunc_both_call_argument(ptr %ptr) { call void @ifunc_ptr_arg(ptr @ifunc_ptr_arg) ret void } define i32 @call_ifunc_nonvoid(double %arg) { %ret = call i32 @ifunc_nonvoid_0(double %arg) ret i32 %ret } ; Use site is different than ifunc function type define float @call_different_type_ifunc_nonvoid(double %arg) { %cast.arg = bitcast double %arg to i64 %ret = call float(i64) @ifunc_nonvoid_0(i64 %cast.arg) ret float %ret } ; FIXME: Should be able to expand this, but we miss the call ; instruction in the constexpr cast. define i32 @call_addrspacecast_callee_type_ifunc_nonvoid(double %arg) { %ret = call addrspace(1) i32 addrspacecast (ptr @ifunc_nonvoid_1 to ptr addrspace(1)) (double %arg) ret i32 %ret } define i32 @call_used_in_initializer(double %arg) { %ret = call i32 @ifunc_constant_initializer_user(double %arg) ret i32 %ret } ;. ; CHECK: @[[INITIALIZED_WITH_IFUNC:[a-zA-Z0-9_$"\\.-]+]] = global ptr @ifunc_constant_initializer_user ; CHECK: @[[GLOB0:[0-9]+]] = internal global [8 x ptr] poison, align 8 ; CHECK: @[[LLVM_GLOBAL_CTORS:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 10, ptr @[[GLOB1:[0-9]+]], ptr null }] ; CHECK: @[[IFUNC_NONVOID_1:[a-zA-Z0-9_$"\\.-]+]] = ifunc i32 (double), ptr @resolver5 ; CHECK: @[[IFUNC_CONSTANT_INITIALIZER_USER:[a-zA-Z0-9_$"\\.-]+]] = ifunc i32 (double), ptr @resolver5 ;. ; CHECK-LABEL: define {{[^@]+}}@resolver1( ; CHECK-NEXT: ret ptr inttoptr (i64 123 to ptr) ; ; ; CHECK-LABEL: define {{[^@]+}}@resolver2( ; CHECK-NEXT: ret ptr inttoptr (i64 456 to ptr) ; ; ; CHECK-LABEL: define {{[^@]+}}@resolver3( ; CHECK-NEXT: ret ptr inttoptr (i64 789 to ptr) ; ; ; CHECK-LABEL: define {{[^@]+}}@resolver4( ; CHECK-NEXT: ret ptr inttoptr (i64 999 to ptr) ; ; ; CHECK-LABEL: define {{[^@]+}}@resolver5( ; CHECK-NEXT: ret ptr inttoptr (i64 420 to ptr) ; ; ; CHECK-LABEL: define {{[^@]+}}@call_ifunc( ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr @[[GLOB0]], align 8 ; CHECK-NEXT: call void [[TMP1]]() ; CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 1), align 8 ; CHECK-NEXT: call void [[TMP2]]() ; CHECK-NEXT: ret void ; ; ; CHECK-LABEL: define {{[^@]+}}@store_ifunc_2( ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 1), align 8 ; CHECK-NEXT: store ptr [[TMP1]], ptr [[PTR:%.*]], align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 1), align 8 ; CHECK-NEXT: store ptr [[PTR]], ptr [[TMP2]], align 8 ; CHECK-NEXT: ret void ; ; ; CHECK-LABEL: define {{[^@]+}}@call_ifunc_is_argument( ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 1), align 8 ; CHECK-NEXT: call void @other_func(ptr [[TMP1]]) ; CHECK-NEXT: ret void ; ; ; CHECK-LABEL: define {{[^@]+}}@call_ifunc_both_call_argument( ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 4), align 8 ; CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 4), align 8 ; CHECK-NEXT: call void [[TMP1]](ptr [[TMP1]]) ; CHECK-NEXT: ret void ; ; ; CHECK-LABEL: define {{[^@]+}}@call_ifunc_nonvoid( ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 5), align 8 ; CHECK-NEXT: [[RET:%.*]] = call i32 [[TMP1]](double [[ARG:%.*]]) ; CHECK-NEXT: ret i32 [[RET]] ; ; ; CHECK-LABEL: define {{[^@]+}}@call_different_type_ifunc_nonvoid( ; CHECK-NEXT: [[CAST_ARG:%.*]] = bitcast double [[ARG:%.*]] to i64 ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 5), align 8 ; CHECK-NEXT: [[RET:%.*]] = call float [[TMP1]](i64 [[CAST_ARG]]) ; CHECK-NEXT: ret float [[RET]] ; ; ; CHECK-LABEL: define {{[^@]+}}@call_addrspacecast_callee_type_ifunc_nonvoid( ; CHECK-NEXT: [[RET:%.*]] = call addrspace(1) i32 addrspacecast (ptr @ifunc_nonvoid_1 to ptr addrspace(1))(double [[ARG:%.*]]) ; CHECK-NEXT: ret i32 [[RET]] ; ; ; CHECK-LABEL: define {{[^@]+}}@call_used_in_initializer( ; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 7), align 8 ; CHECK-NEXT: [[RET:%.*]] = call i32 [[TMP1]](double [[ARG:%.*]]) ; CHECK-NEXT: ret i32 [[RET]] ; ; ; CHECK-LABEL: define {{[^@]+}}@1( ; CHECK-NEXT: [[TMP1:%.*]] = call ptr @resolver1() ; CHECK-NEXT: store ptr [[TMP1]], ptr @[[GLOB0]], align 8 ; CHECK-NEXT: [[TMP2:%.*]] = call ptr @resolver1() ; CHECK-NEXT: store ptr [[TMP2]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 1), align 8 ; CHECK-NEXT: [[TMP3:%.*]] = call ptr @resolver2() ; CHECK-NEXT: store ptr [[TMP3]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 2), align 8 ; CHECK-NEXT: [[TMP4:%.*]] = call ptr @resolver3() ; CHECK-NEXT: store ptr [[TMP4]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 3), align 8 ; CHECK-NEXT: [[TMP5:%.*]] = call ptr @resolver4() ; CHECK-NEXT: store ptr [[TMP5]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 4), align 8 ; CHECK-NEXT: [[TMP6:%.*]] = call ptr @resolver5() ; CHECK-NEXT: store ptr [[TMP6]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 5), align 8 ; CHECK-NEXT: [[TMP7:%.*]] = call ptr @resolver5() ; CHECK-NEXT: store ptr [[TMP7]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 6), align 8 ; CHECK-NEXT: [[TMP8:%.*]] = call ptr @resolver5() ; CHECK-NEXT: store ptr [[TMP8]], ptr getelementptr inbounds ([8 x ptr], ptr @[[GLOB0]], i32 0, i32 7), align 8 ; CHECK-NEXT: ret void ;