llvm-project/llvm/test/CodeGen/PowerPC/eliminate-compare-of-copy.ll

30 lines
1000 B
LLVM

; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr8 -ppc-asm-full-reg-names < %s | FileCheck %s
define dso_local signext i32 @func(i32 zeroext %x, i32 zeroext %y) local_unnamed_addr {
; CHECK-LABEL: func
; CHECK: or. {{r[0-9]+}}, r4, r3
; CHECK-NOT: cmplwi
; CHECK: blr
entry:
%or = or i32 %y, %x
%tobool = icmp eq i32 %or, 0
br i1 %tobool, label %if.else, label %if.then
if.then: ; preds = %entry
%call = tail call signext i32 bitcast (i32 (...)* @f1 to i32 ()*)()
br label %return
if.else: ; preds = %entry
%call1 = tail call signext i32 bitcast (i32 (...)* @f2 to i32 ()*)()
br label %return
return: ; preds = %if.else, %if.then
%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
ret i32 %retval.0
}
declare signext i32 @f1(...) local_unnamed_addr
declare signext i32 @f2(...) local_unnamed_addr