; RUN: opt < %s -pgo-icall-prom -S -icp-total-percent-threshold=10 | FileCheck %s ; RUN: opt < %s -passes=pgo-icall-prom -S -icp-total-percent-threshold=10 | FileCheck %s ; PR42413: Previously the call promotion code did not correctly update the byval ; attribute. Check that it does. This situation can come up in LTO scenarios ; where struct types end up not matching. target triple = "i686-unknown-linux-gnu" %struct.Foo.1 = type { i32 } %struct.Foo.2 = type { i32 } @foo = common global i32 (%struct.Foo.2*)* null, align 8 define i32 @func4(%struct.Foo.1* byval(%struct.Foo.1) %p) { entry: %gep = getelementptr inbounds %struct.Foo.1, %struct.Foo.1* %p, i32 0, i32 0 %v = load i32, i32* %gep ret i32 %v } define i32 @func5(%struct.Foo.1* byval(%struct.Foo.1) %p) { entry: %gep = getelementptr inbounds %struct.Foo.1, %struct.Foo.1* %p, i32 0, i32 0 %v = load i32, i32* %gep ret i32 %v } define i32 @bar(%struct.Foo.2* %f2) { entry: %tmp = load i32 (%struct.Foo.2*)*, i32 (%struct.Foo.2*)** @foo, align 8 %call = call i32 %tmp(%struct.Foo.2* byval(%struct.Foo.2) %f2), !prof !1 ret i32 %call } !1 = !{!"VP", i32 0, i64 3000, i64 7651369219802541373, i64 1000, i64 3667884930908592509, i64 1000} ; CHECK: define i32 @bar(%struct.Foo.2* %f2) ; Cast %struct.Foo.2* to %struct.Foo.1* and use byval(%struct.Foo.2). ; CHECK: %[[cast:[^ ]*]] = bitcast %struct.Foo.2* %f2 to %struct.Foo.1* ; CHECK: call i32 @func4(%struct.Foo.1* byval(%struct.Foo.1) %[[cast]]) ; Same but when callee doesn't have explicit byval type. ; CHECK: %[[cast:[^ ]*]] = bitcast %struct.Foo.2* %f2 to %struct.Foo.1* ; CHECK: call i32 @func5(%struct.Foo.1* byval(%struct.Foo.1) %[[cast]]) ; Original call stays the same. ; CHECK: call i32 %tmp(%struct.Foo.2* byval(%struct.Foo.2) %f2)