| ; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s |
| |
| ; Check that function foo does not gets specialised as it contains an instrinsic |
| ; that is marked as NoDuplicate. |
| ; Please note that the use of the hardwareloop intrinsic is arbitrary; it's |
| ; just an easy to use intrinsic that has NoDuplicate. |
| |
| ; CHECK-NOT: @foo.1( |
| ; CHECK-NOT: @foo.2( |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| |
| @A = external dso_local constant i32, align 4 |
| @B = external dso_local constant i32, align 4 |
| |
| define dso_local i32 @bar(i32 %x, i32 %y) { |
| entry: |
| %tobool = icmp ne i32 %x, 0 |
| br i1 %tobool, label %if.then, label %if.else |
| |
| if.then: |
| %call = call i32 @foo(i32 %x, i32* @A) |
| br label %return |
| |
| if.else: |
| %call1 = call i32 @foo(i32 %y, i32* @B) |
| br label %return |
| |
| return: |
| %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ] |
| ret i32 %retval.0 |
| } |
| |
| define internal i32 @foo(i32 %x, i32* %b) { |
| entry: |
| %0 = load i32, i32* %b, align 4 |
| %add = add nsw i32 %x, %0 |
| %cmp = call i1 @llvm.test.set.loop.iterations.i32(i32 42) |
| ret i32 %add |
| } |
| |
| declare i1 @llvm.test.set.loop.iterations.i32(i32) |
