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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; Test that the modular format string library call simplifier works correctly.3;4; RUN: opt < %s -passes=instcombine -S | FileCheck %s5 6target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"7 8@.str.int = constant [3 x i8] c"%d\00"9@.str.float = constant [3 x i8] c"%f\00"10@.str.multi = constant [6 x i8] c"%f %d\00"11@.str.noargs = constant [1 x i8] c"\00"12 13;; No aspects are specified, so no transformation occurs.14define void @test_basic(i32 %arg) {15; CHECK-LABEL: @test_basic(16; CHECK-NEXT: call void (ptr, ...) @basic(ptr nonnull @.str.int, i32 [[ARG:%.*]])17; CHECK-NEXT: ret void18;19 call void (ptr, ...) @basic(ptr @.str.int, i32 %arg)20 ret void21}22 23declare void @basic(ptr, ...) #024 25;; The "float" aspect is present and needed, so no transformation occurs.26define void @test_float_present(double %arg) {27; CHECK-LABEL: @test_float_present(28; CHECK-NEXT: call void (ptr, ...) @float_present(ptr nonnull @.str.float, double [[ARG:%.*]])29; CHECK-NEXT: ret void30;31 call void (ptr, ...) @float_present(ptr @.str.float, double %arg)32 ret void33}34 35declare void @float_present(ptr, ...) #136 37;; The "float" aspect is present but not needed, so the call is transformed.38define void @test_float_absent(i32 %arg) {39; CHECK-LABEL: @test_float_absent(40; CHECK-NEXT: call void (ptr, ...) @float_present_mod(ptr nonnull @.str.int, i32 [[ARG:%.*]])41; CHECK-NEXT: ret void42;43 call void (ptr, ...) @float_absent(ptr @.str.int, i32 %arg)44 ret void45}46 47declare void @float_absent(ptr, ...) #148 49;; Unknown aspects are always considered needed, so no transformation occurs.50define void @test_unknown_aspects(i32 %arg) {51; CHECK-LABEL: @test_unknown_aspects(52; CHECK-NEXT: call void (ptr, ...) @unknown_aspects(ptr nonnull @.str.int, i32 [[ARG:%.*]])53; CHECK-NEXT: ret void54;55 call void (ptr, ...) @unknown_aspects(ptr @.str.int, i32 %arg)56 ret void57}58 59declare void @unknown_aspects(ptr, ...) #260 61;; The call has no arguments to check, so the "float" aspect is not needed and62;; the call is transformed.63define void @test_no_args_to_check() {64; CHECK-LABEL: @test_no_args_to_check(65; CHECK-NEXT: call void (ptr, ...) @float_present_mod(ptr nonnull @.str.noargs)66; CHECK-NEXT: ret void67;68 call void (ptr, ...) @no_args_to_check(ptr @.str.noargs)69 ret void70}71 72declare void @no_args_to_check(ptr, ...) #173 74;; The first argument index is not 2. The "float" aspect is needed, so no75;; transformation occurs.76define void @test_first_arg_idx(i32 %ignored, double %arg) {77; CHECK-LABEL: @test_first_arg_idx(78; CHECK-NEXT: call void (i32, ptr, ...) @first_arg_idx(i32 [[IGNORED:%.*]], ptr nonnull @.str.float, double [[ARG:%.*]])79; CHECK-NEXT: ret void80;81 call void (i32, ptr, ...) @first_arg_idx(i32 %ignored, ptr @.str.float, double %arg)82 ret void83}84 85declare void @first_arg_idx(i32, ptr, ...) #386 87;; One aspect ("unknown") is needed, but one ("float") is not. The call is88;; transformed, and a reference to the needed aspect is emitted.89define void @test_partial_aspects(i32 %arg) {90; CHECK-LABEL: @test_partial_aspects(91; CHECK-NEXT: call void (ptr, ...) @multiple_aspects_mod(ptr nonnull @.str.int, i32 [[ARG:%.*]])92; CHECK-NEXT: call void @llvm.reloc.none(metadata !"basic_impl_unknown")93; CHECK-NEXT: ret void94;95 call void (ptr, ...) @partial_aspects(ptr @.str.int, i32 %arg)96 ret void97}98 99declare void @partial_aspects(ptr, ...) #4100 101attributes #0 = { "modular-format"="printf,1,2,basic_mod,basic_impl" }102attributes #1 = { "modular-format"="printf,1,2,float_present_mod,basic_impl,float" }103attributes #2 = { "modular-format"="printf,1,2,unknown_aspects_mod,basic_impl,unknown1,unknown2" }104attributes #3 = { "modular-format"="printf,2,3,first_arg_idx_mod,basic_impl,float" }105attributes #4 = { "modular-format"="printf,1,2,multiple_aspects_mod,basic_impl,float,unknown" }106