; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s declare void @foo() declare void @bar() define void @f(i32 %x, i32 %y) optsize { entry: %p = icmp eq i32 %x, %y br i1 %p, label %bb1, label %bb2 bb1: tail call void @foo() ret void bb2: tail call void @bar() ret void ; CHECK-LABEL: f: ; CHECK: cmp ; CHECK: jne bar ; Check that the asm doesn't just look good, but uses the correct encoding. ; CHECK: encoding: [0x75,A] ; CHECK: jmp foo } declare x86_thiscallcc zeroext i1 @baz(i8*, i32) define x86_thiscallcc zeroext i1 @BlockPlacementTest(i8* %this, i32 %x) optsize { entry: %and = and i32 %x, 42 %tobool = icmp eq i32 %and, 0 br i1 %tobool, label %land.end, label %land.rhs land.rhs: %and6 = and i32 %x, 44 %tobool7 = icmp eq i32 %and6, 0 br i1 %tobool7, label %lor.rhs, label %land.end lor.rhs: %call = tail call x86_thiscallcc zeroext i1 @baz(i8* %this, i32 %x) #2 br label %land.end land.end: %0 = phi i1 [ false, %entry ], [ true, %land.rhs ], [ %call, %lor.rhs ] ret i1 %0 ; Make sure machine block placement isn't confused by the conditional tail call, ; but sees that it can fall through to the next block. ; CHECK-LABEL: BlockPlacementTest ; CHECK: je baz ; CHECK-NOT: xor ; CHECK: ret }