| ; 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) |