ifcvt-compare.ll
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; RUN: llc -mtriple=thumbv7-unknown-linux %s -o - | FileCheck %s
declare void @x()
define void @f0(i32 %x) optsize {
; CHECK-LABEL: f0:
; CHECK: cbz
%p = icmp eq i32 %x, 0
br i1 %p, label %t, label %f
t:
call void @x()
br label %f
f:
ret void
}
define void @f1(i32 %x) optsize {
; CHECK-LABEL: f1:
; CHECK: cmp r0, #1
; CHECK: it ne
; CHECK-NEXT: bxne lr
%p = icmp eq i32 %x, 1
br i1 %p, label %t, label %f
t:
call void @x()
br label %f
f:
ret void
}
define void @f2(i32 %x) {
; CHECK-LABEL: f2:
; CHECK: cmp r0, #0
; CHECK: it ne
; CHECK-NEXT: bxne lr
%p = icmp eq i32 %x, 0
br i1 %p, label %t, label %f
t:
call void @x()
br label %f
f:
ret void
}