; RUN: opt < %s -ipsccp -S | FileCheck %s ; Don't constant-propagate byval pointers, since they are not pointers! ; PR5038 %struct.MYstr = type { i8, i32 } @mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3] define internal void @vfu1(%struct.MYstr* byval(%struct.MYstr) align 4 %u) nounwind { entry: %0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; [#uses=1] store i32 99, i32* %0, align 4 ; CHECK: %struct.MYstr* %u %1 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; [#uses=1] store i8 97, i8* %1, align 4 ; CHECK: %struct.MYstr* %u br label %return return: ; preds = %entry ret void } define internal i32 @vfu2(%struct.MYstr* byval(%struct.MYstr) align 4 %u) nounwind readonly { entry: %0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; [#uses=1] %1 = load i32, i32* %0 ; CHECK: %struct.MYstr* @mystr, i{{..}} 0, i32 1 %2 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; [#uses=1] %3 = load i8, i8* %2 ; CHECK: %struct.MYstr* @mystr, i{{..}} 0, i32 0 %4 = zext i8 %3 to i32 %5 = add i32 %4, %1 ret i32 %5 } define i32 @unions() nounwind { entry: call void @vfu1(%struct.MYstr* byval(%struct.MYstr) align 4 @mystr) nounwind %result = call i32 @vfu2(%struct.MYstr* byval(%struct.MYstr) align 4 @mystr) nounwind ; CHECK: ret i32 %result ret i32 %result }