1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=ipsccp -S | FileCheck %s 3 4; Don't constant-propagate byval pointers, since they are not pointers! 5; PR5038 6 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 1 13; CHECK-NEXT: store i32 99, ptr [[TMP0]], align 4 14; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U]], i32 0, i32 0 15; CHECK-NEXT: store i8 97, ptr [[TMP1]], align 4 16; CHECK-NEXT: br label [[RETURN:%.*]] 17; CHECK: return: 18; CHECK-NEXT: ret void 19; 20entry: 21 %0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1] 22 store i32 99, ptr %0, align 4 23 %1 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1] 24 store i8 97, ptr %1, align 4 25 br label %return 26 27return: ; preds = %entry 28 ret void 29} 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 4 35; CHECK-NEXT: [[TMP1:%.*]] = load i8, ptr @mystr, align 1 36; CHECK-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32 37; 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 %0 43 %2 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1] 44 %3 = load i8, ptr %2 45 %4 = zext i8 %3 to i32 46 %5 = add i32 %4, %1 47 ret i32 %5 48} 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) nounwind 59 %result = call i32 @vfu2(ptr byval(%struct.MYstr) align 4 @mystr) nounwind 60 ret i32 %result 61} 62 63