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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=ipsccp -S | FileCheck %s3 4; Don't constant-propagate byval pointers, since they are not pointers!5; PR50386 7%struct.MYstr = type { i8, i32 }8@mystr = internal global %struct.MYstr zeroinitializer ; <ptr> [#uses=3]9define internal void @vfu1(ptr byval(%struct.MYstr) align 4 %u) nounwind {10; CHECK-LABEL: @vfu1(11; CHECK-NEXT: entry:12; CHECK-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], ptr [[U:%.*]], i32 0, i32 113; CHECK-NEXT: store i32 99, ptr [[TMP0]], align 414; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U]], i32 0, i32 015; CHECK-NEXT: store i8 97, ptr [[TMP1]], align 416; CHECK-NEXT: br label [[RETURN:%.*]]17; CHECK: return:18; CHECK-NEXT: ret void19;20entry:21 %0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]22 store i32 99, ptr %0, align 423 %1 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]24 store i8 97, ptr %1, align 425 br label %return26 27return: ; preds = %entry28 ret void29}30 31define internal i32 @vfu2(ptr byval(%struct.MYstr) align 4 %u) nounwind readonly {32; CHECK-LABEL: @vfu2(33; CHECK-NEXT: entry:34; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr getelementptr inbounds nuw (i8, ptr @mystr, i64 4), align 435; CHECK-NEXT: [[TMP1:%.*]] = load i8, ptr @mystr, align 136; CHECK-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i3237; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP2]], [[TMP0]]38; CHECK-NEXT: ret i32 [[TMP3]]39;40entry:41 %0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]42 %1 = load i32, ptr %043 %2 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]44 %3 = load i8, ptr %245 %4 = zext i8 %3 to i3246 %5 = add i32 %4, %147 ret i32 %548}49 50define i32 @unions() nounwind {51; CHECK-LABEL: @unions(52; CHECK-NEXT: entry:53; CHECK-NEXT: call void @vfu1(ptr byval([[STRUCT_MYSTR:%.*]]) align 4 @mystr) #[[ATTR0:[0-9]+]]54; CHECK-NEXT: [[RESULT:%.*]] = call i32 @vfu2(ptr byval([[STRUCT_MYSTR]]) align 4 @mystr) #[[ATTR0]]55; CHECK-NEXT: ret i32 [[RESULT]]56;57entry:58 call void @vfu1(ptr byval(%struct.MYstr) align 4 @mystr) nounwind59 %result = call i32 @vfu2(ptr byval(%struct.MYstr) align 4 @mystr) nounwind60 ret i32 %result61}62 63