1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes 2; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=6 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM 3; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=6 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM 4; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM 5; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM 6 7; Don't constant-propagate byval pointers, since they are not pointers! 8; PR5038 9%struct.MYstr = type { i8, i32 } 10@mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3] 11define internal void @vfu1(%struct.MYstr* byval(%struct.MYstr) align 4 %u) nounwind { 12; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 13; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@vfu1 14; IS__CGSCC_OPM-SAME: (%struct.MYstr* noalias nocapture nofree noundef nonnull writeonly byval(%struct.MYstr) align 8 dereferenceable(8) [[U:%.*]]) [[ATTR0:#.*]] { 15; IS__CGSCC_OPM-NEXT: entry: 16; IS__CGSCC_OPM-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* [[U]], i32 0, i32 1 17; IS__CGSCC_OPM-NEXT: store i32 99, i32* [[TMP0]], align 4 18; IS__CGSCC_OPM-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U]], i32 0, i32 0 19; IS__CGSCC_OPM-NEXT: store i8 97, i8* [[TMP1]], align 8 20; IS__CGSCC_OPM-NEXT: br label [[RETURN:%.*]] 21; IS__CGSCC_OPM: return: 22; IS__CGSCC_OPM-NEXT: ret void 23; 24; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 25; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@vfu1 26; IS__CGSCC_NPM-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) [[ATTR0:#.*]] { 27; IS__CGSCC_NPM-NEXT: entry: 28; IS__CGSCC_NPM-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8 29; IS__CGSCC_NPM-NEXT: [[U_PRIV_CAST:%.*]] = bitcast %struct.MYstr* [[U_PRIV]] to i8* 30; IS__CGSCC_NPM-NEXT: store i8 [[TMP0]], i8* [[U_PRIV_CAST]], align 8 31; IS__CGSCC_NPM-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 32; IS__CGSCC_NPM-NEXT: store i32 [[TMP1]], i32* [[U_PRIV_0_1]], align 4 33; IS__CGSCC_NPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 34; IS__CGSCC_NPM-NEXT: store i32 99, i32* [[TMP2]], align 4 35; IS__CGSCC_NPM-NEXT: [[TMP3:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 0 36; IS__CGSCC_NPM-NEXT: store i8 97, i8* [[TMP3]], align 8 37; IS__CGSCC_NPM-NEXT: br label [[RETURN:%.*]] 38; IS__CGSCC_NPM: return: 39; IS__CGSCC_NPM-NEXT: ret void 40; 41entry: 42 %0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1] 43 store i32 99, i32* %0, align 4 44 %1 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1] 45 store i8 97, i8* %1, align 4 46 br label %return 47 48return: ; preds = %entry 49 ret void 50} 51 52define internal i32 @vfu2(%struct.MYstr* byval(%struct.MYstr) align 4 %u) nounwind readonly { 53; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readonly willreturn 54; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@vfu2 55; IS__TUNIT_OPM-SAME: (%struct.MYstr* noalias nocapture nofree noundef nonnull readonly byval(%struct.MYstr) align 8 dereferenceable(8) [[U:%.*]]) [[ATTR0:#.*]] { 56; IS__TUNIT_OPM-NEXT: entry: 57; IS__TUNIT_OPM-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* @mystr, i32 0, i32 1 58; IS__TUNIT_OPM-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4 59; IS__TUNIT_OPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* @mystr, i32 0, i32 0 60; IS__TUNIT_OPM-NEXT: [[TMP3:%.*]] = load i8, i8* [[TMP2]], align 8 61; IS__TUNIT_OPM-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i32 62; IS__TUNIT_OPM-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], [[TMP1]] 63; IS__TUNIT_OPM-NEXT: ret i32 [[TMP5]] 64; 65; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readonly willreturn 66; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@vfu2 67; IS__TUNIT_NPM-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) [[ATTR0:#.*]] { 68; IS__TUNIT_NPM-NEXT: entry: 69; IS__TUNIT_NPM-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8 70; IS__TUNIT_NPM-NEXT: [[U_PRIV_CAST:%.*]] = bitcast %struct.MYstr* [[U_PRIV]] to i8* 71; IS__TUNIT_NPM-NEXT: store i8 [[TMP0]], i8* [[U_PRIV_CAST]], align 1 72; IS__TUNIT_NPM-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 73; IS__TUNIT_NPM-NEXT: store i32 [[TMP1]], i32* [[U_PRIV_0_1]], align 4 74; IS__TUNIT_NPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* @mystr, i32 0, i32 1 75; IS__TUNIT_NPM-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4 76; IS__TUNIT_NPM-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* @mystr, i32 0, i32 0 77; IS__TUNIT_NPM-NEXT: [[TMP5:%.*]] = load i8, i8* [[TMP4]], align 8 78; IS__TUNIT_NPM-NEXT: [[TMP6:%.*]] = zext i8 [[TMP5]] to i32 79; IS__TUNIT_NPM-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], [[TMP3]] 80; IS__TUNIT_NPM-NEXT: ret i32 [[TMP7]] 81; 82; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readonly willreturn 83; IS__CGSCC____-LABEL: define {{[^@]+}}@vfu2 84; IS__CGSCC____-SAME: () [[ATTR1:#.*]] { 85; IS__CGSCC____-NEXT: entry: 86; IS__CGSCC____-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* @mystr, i32 0, i32 1 87; IS__CGSCC____-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4 88; IS__CGSCC____-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* @mystr, i32 0, i32 0 89; IS__CGSCC____-NEXT: [[TMP3:%.*]] = load i8, i8* [[TMP2]], align 8 90; IS__CGSCC____-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i32 91; IS__CGSCC____-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], [[TMP1]] 92; IS__CGSCC____-NEXT: ret i32 [[TMP5]] 93; 94entry: 95 %0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1] 96 %1 = load i32, i32* %0 97 %2 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1] 98 %3 = load i8, i8* %2 99 %4 = zext i8 %3 to i32 100 %5 = add i32 %4, %1 101 ret i32 %5 102} 103 104define i32 @unions() nounwind { 105; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind willreturn 106; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@unions 107; IS__TUNIT_OPM-SAME: () [[ATTR1:#.*]] { 108; IS__TUNIT_OPM-NEXT: entry: 109; IS__TUNIT_OPM-NEXT: [[RESULT:%.*]] = call i32 @vfu2(%struct.MYstr* nocapture nofree noundef nonnull readonly byval(%struct.MYstr) align 8 dereferenceable(8) @mystr) [[ATTR0]] 110; IS__TUNIT_OPM-NEXT: ret i32 [[RESULT]] 111; 112; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn 113; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@unions 114; IS__TUNIT_NPM-SAME: () [[ATTR1:#.*]] { 115; IS__TUNIT_NPM-NEXT: entry: 116; IS__TUNIT_NPM-NEXT: [[MYSTR_CAST:%.*]] = bitcast %struct.MYstr* @mystr to i8* 117; IS__TUNIT_NPM-NEXT: [[TMP0:%.*]] = load i8, i8* [[MYSTR_CAST]], align 8 118; IS__TUNIT_NPM-NEXT: [[MYSTR_0_1:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* @mystr, i32 0, i32 1 119; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i32, i32* [[MYSTR_0_1]], align 8 120; IS__TUNIT_NPM-NEXT: [[RESULT:%.*]] = call i32 @vfu2(i8 [[TMP0]], i32 [[TMP1]]) [[ATTR0]] 121; IS__TUNIT_NPM-NEXT: ret i32 [[RESULT]] 122; 123; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readonly willreturn 124; IS__CGSCC____-LABEL: define {{[^@]+}}@unions 125; IS__CGSCC____-SAME: () [[ATTR1]] { 126; IS__CGSCC____-NEXT: entry: 127; IS__CGSCC____-NEXT: [[RESULT:%.*]] = call i32 @vfu2() [[ATTR2:#.*]] 128; IS__CGSCC____-NEXT: ret i32 [[RESULT]] 129; 130entry: 131 call void @vfu1(%struct.MYstr* byval(%struct.MYstr) align 4 @mystr) nounwind 132 %result = call i32 @vfu2(%struct.MYstr* byval(%struct.MYstr) align 4 @mystr) nounwind 133 ret i32 %result 134} 135 136define internal i32 @vfu2_v2(%struct.MYstr* byval(%struct.MYstr) align 4 %u) nounwind readonly { 137; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn 138; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@vfu2_v2 139; IS__TUNIT_OPM-SAME: (%struct.MYstr* noalias nocapture nofree noundef nonnull byval(%struct.MYstr) align 8 dereferenceable(8) [[U:%.*]]) [[ATTR2:#.*]] { 140; IS__TUNIT_OPM-NEXT: entry: 141; IS__TUNIT_OPM-NEXT: [[Z:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* [[U]], i32 0, i32 1 142; IS__TUNIT_OPM-NEXT: store i32 99, i32* [[Z]], align 4 143; IS__TUNIT_OPM-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U]], i32 0, i32 1 144; IS__TUNIT_OPM-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4 145; IS__TUNIT_OPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U]], i32 0, i32 0 146; IS__TUNIT_OPM-NEXT: [[TMP3:%.*]] = load i8, i8* [[TMP2]], align 8 147; IS__TUNIT_OPM-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i32 148; IS__TUNIT_OPM-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], [[TMP1]] 149; IS__TUNIT_OPM-NEXT: ret i32 [[TMP5]] 150; 151; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn 152; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@vfu2_v2 153; IS__TUNIT_NPM-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) [[ATTR2:#.*]] { 154; IS__TUNIT_NPM-NEXT: entry: 155; IS__TUNIT_NPM-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8 156; IS__TUNIT_NPM-NEXT: [[U_PRIV_CAST:%.*]] = bitcast %struct.MYstr* [[U_PRIV]] to i8* 157; IS__TUNIT_NPM-NEXT: store i8 [[TMP0]], i8* [[U_PRIV_CAST]], align 1 158; IS__TUNIT_NPM-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 159; IS__TUNIT_NPM-NEXT: store i32 [[TMP1]], i32* [[U_PRIV_0_1]], align 4 160; IS__TUNIT_NPM-NEXT: [[Z:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 161; IS__TUNIT_NPM-NEXT: store i32 99, i32* [[Z]], align 4 162; IS__TUNIT_NPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 163; IS__TUNIT_NPM-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4 164; IS__TUNIT_NPM-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 0 165; IS__TUNIT_NPM-NEXT: [[TMP5:%.*]] = load i8, i8* [[TMP4]], align 8 166; IS__TUNIT_NPM-NEXT: [[TMP6:%.*]] = zext i8 [[TMP5]] to i32 167; IS__TUNIT_NPM-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], [[TMP3]] 168; IS__TUNIT_NPM-NEXT: ret i32 [[TMP7]] 169; 170; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 171; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@vfu2_v2 172; IS__CGSCC_OPM-SAME: (%struct.MYstr* noalias nocapture nofree noundef nonnull byval(%struct.MYstr) align 8 dereferenceable(8) [[U:%.*]]) [[ATTR0]] { 173; IS__CGSCC_OPM-NEXT: entry: 174; IS__CGSCC_OPM-NEXT: [[Z:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* [[U]], i32 0, i32 1 175; IS__CGSCC_OPM-NEXT: store i32 99, i32* [[Z]], align 4 176; IS__CGSCC_OPM-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U]], i32 0, i32 1 177; IS__CGSCC_OPM-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4 178; IS__CGSCC_OPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U]], i32 0, i32 0 179; IS__CGSCC_OPM-NEXT: [[TMP3:%.*]] = load i8, i8* [[TMP2]], align 8 180; IS__CGSCC_OPM-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i32 181; IS__CGSCC_OPM-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], [[TMP1]] 182; IS__CGSCC_OPM-NEXT: ret i32 [[TMP5]] 183; 184; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 185; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@vfu2_v2 186; IS__CGSCC_NPM-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) [[ATTR0]] { 187; IS__CGSCC_NPM-NEXT: entry: 188; IS__CGSCC_NPM-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8 189; IS__CGSCC_NPM-NEXT: [[U_PRIV_CAST:%.*]] = bitcast %struct.MYstr* [[U_PRIV]] to i8* 190; IS__CGSCC_NPM-NEXT: store i8 [[TMP0]], i8* [[U_PRIV_CAST]], align 8 191; IS__CGSCC_NPM-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 192; IS__CGSCC_NPM-NEXT: store i32 [[TMP1]], i32* [[U_PRIV_0_1]], align 4 193; IS__CGSCC_NPM-NEXT: [[Z:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 194; IS__CGSCC_NPM-NEXT: store i32 99, i32* [[Z]], align 4 195; IS__CGSCC_NPM-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 1 196; IS__CGSCC_NPM-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4 197; IS__CGSCC_NPM-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_MYSTR]], %struct.MYstr* [[U_PRIV]], i32 0, i32 0 198; IS__CGSCC_NPM-NEXT: [[TMP5:%.*]] = load i8, i8* [[TMP4]], align 8 199; IS__CGSCC_NPM-NEXT: [[TMP6:%.*]] = zext i8 [[TMP5]] to i32 200; IS__CGSCC_NPM-NEXT: [[TMP7:%.*]] = add i32 [[TMP6]], [[TMP3]] 201; IS__CGSCC_NPM-NEXT: ret i32 [[TMP7]] 202; 203entry: 204 %z = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 205 store i32 99, i32* %z, align 4 206 %0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1] 207 %1 = load i32, i32* %0 208 %2 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1] 209 %3 = load i8, i8* %2 210 %4 = zext i8 %3 to i32 211 %5 = add i32 %4, %1 212 ret i32 %5 213} 214 215define i32 @unions_v2() nounwind { 216; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn 217; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@unions_v2 218; IS__TUNIT_OPM-SAME: () [[ATTR2]] { 219; IS__TUNIT_OPM-NEXT: entry: 220; IS__TUNIT_OPM-NEXT: [[RESULT:%.*]] = call i32 @vfu2_v2(%struct.MYstr* nocapture nofree noundef nonnull readonly byval(%struct.MYstr) align 8 dereferenceable(8) @mystr) [[ATTR2]] 221; IS__TUNIT_OPM-NEXT: ret i32 [[RESULT]] 222; 223; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn 224; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@unions_v2 225; IS__TUNIT_NPM-SAME: () [[ATTR2]] { 226; IS__TUNIT_NPM-NEXT: entry: 227; IS__TUNIT_NPM-NEXT: [[MYSTR_CAST:%.*]] = bitcast %struct.MYstr* @mystr to i8* 228; IS__TUNIT_NPM-NEXT: [[TMP0:%.*]] = load i8, i8* [[MYSTR_CAST]], align 8 229; IS__TUNIT_NPM-NEXT: [[MYSTR_0_1:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* @mystr, i32 0, i32 1 230; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i32, i32* [[MYSTR_0_1]], align 8 231; IS__TUNIT_NPM-NEXT: [[RESULT:%.*]] = call i32 @vfu2_v2(i8 [[TMP0]], i32 [[TMP1]]) [[ATTR2]] 232; IS__TUNIT_NPM-NEXT: ret i32 [[RESULT]] 233; 234; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 235; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@unions_v2 236; IS__CGSCC_OPM-SAME: () [[ATTR0]] { 237; IS__CGSCC_OPM-NEXT: entry: 238; IS__CGSCC_OPM-NEXT: [[RESULT:%.*]] = call i32 @vfu2_v2(%struct.MYstr* noalias nocapture nofree noundef nonnull readnone byval(%struct.MYstr) align 8 dereferenceable(8) @mystr) [[ATTR3:#.*]] 239; IS__CGSCC_OPM-NEXT: ret i32 [[RESULT]] 240; 241; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readonly willreturn 242; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@unions_v2 243; IS__CGSCC_NPM-SAME: () [[ATTR1:#.*]] { 244; IS__CGSCC_NPM-NEXT: entry: 245; IS__CGSCC_NPM-NEXT: [[MYSTR_CAST1:%.*]] = bitcast %struct.MYstr* @mystr to i8* 246; IS__CGSCC_NPM-NEXT: [[TMP0:%.*]] = load i8, i8* [[MYSTR_CAST1]], align 8 247; IS__CGSCC_NPM-NEXT: [[MYSTR_0_12:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], %struct.MYstr* @mystr, i32 0, i32 1 248; IS__CGSCC_NPM-NEXT: [[TMP1:%.*]] = load i32, i32* [[MYSTR_0_12]], align 8 249; IS__CGSCC_NPM-NEXT: [[RESULT:%.*]] = call i32 @vfu2_v2(i8 [[TMP0]], i32 [[TMP1]]) [[ATTR3:#.*]] 250; IS__CGSCC_NPM-NEXT: ret i32 [[RESULT]] 251; 252entry: 253 call void @vfu1(%struct.MYstr* byval(%struct.MYstr) align 4 @mystr) nounwind 254 %result = call i32 @vfu2_v2(%struct.MYstr* byval(%struct.MYstr) align 4 @mystr) nounwind 255 ret i32 %result 256} 257