1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; CodeGen should remat the zero instead of spilling it. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdeclare void @foo(i64 %p) 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: bar: 9*9880d681SAndroid Build Coastguard Worker; CHECK: xorl %e[[A0:di|cx]], %e 10*9880d681SAndroid Build Coastguard Worker; CHECK: xorl %e[[A0]], %e[[A0]] 11*9880d681SAndroid Build Coastguard Workerdefine void @bar() nounwind { 12*9880d681SAndroid Build Coastguard Worker call void @foo(i64 0) 13*9880d681SAndroid Build Coastguard Worker call void @foo(i64 0) 14*9880d681SAndroid Build Coastguard Worker ret void 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: bat: 18*9880d681SAndroid Build Coastguard Worker; CHECK: movq $-1, %r[[A0]] 19*9880d681SAndroid Build Coastguard Worker; CHECK: movq $-1, %r[[A0]] 20*9880d681SAndroid Build Coastguard Workerdefine void @bat() nounwind { 21*9880d681SAndroid Build Coastguard Worker call void @foo(i64 -1) 22*9880d681SAndroid Build Coastguard Worker call void @foo(i64 -1) 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: bau: 27*9880d681SAndroid Build Coastguard Worker; CHECK: movl $1, %e[[A0]] 28*9880d681SAndroid Build Coastguard Worker; CHECK: movl $1, %e[[A0]] 29*9880d681SAndroid Build Coastguard Workerdefine void @bau() nounwind { 30*9880d681SAndroid Build Coastguard Worker call void @foo(i64 1) 31*9880d681SAndroid Build Coastguard Worker call void @foo(i64 1) 32*9880d681SAndroid Build Coastguard Worker ret void 33*9880d681SAndroid Build Coastguard Worker} 34*9880d681SAndroid Build Coastguard Worker 35