llvm-project/llvm/test/Transforms/NewGVN/pr32945.ll

25 lines
681 B
LLVM

; RUN: opt -S -newgvn %s | FileCheck %s
; CHECK-NOT: call i32 @llvm.ssa.copy
@d = external global i32
@e = external global i32
define void @tinkywinky() {
br i1 true, label %lor.lhs.false, label %cond.true
lor.lhs.false:
%tmp = load i32, i32* @d, align 4
%patatino = load i32, i32* null, align 4
%or = or i32 %tmp, %patatino
store i32 %or, i32* @d, align 4
br label %cond.true
cond.true:
%tmp1 = load i32, i32* @e, align 4
%tmp2 = load i32, i32* @d, align 4
%cmp = icmp eq i32 %tmp1, %tmp2
br i1 %cmp, label %cond.true6, label %cond.false
cond.true6:
%cmp7 = icmp slt i32 %tmp1, 0
br i1 %cmp7, label %cond.false, label %cond.false
cond.false:
ret void
}