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[NFC] Avoid unnecessary comparison for min/max expressions

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llvm-svn: 271535
This commit is contained in:
Johannes Doerfert 2016-06-02 16:58:12 +00:00
parent 6631bfdd1c
commit 4cf79d4ca4
1 changed files with 1 additions and 1 deletions
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polly/lib/CodeGen/IslExprBuilder.cpp
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@ -186,7 +186,7 @@ Value *IslExprBuilder::createOpNAry(__isl_take isl_ast_expr *Expr) {
auto Pred = IsMax ? CmpInst::ICMP_SGT : CmpInst::ICMP_SLT; auto Pred = IsMax ? CmpInst::ICMP_SGT : CmpInst::ICMP_SLT;
auto *V = create(isl_ast_expr_get_op_arg(Expr, 0)); auto *V = create(isl_ast_expr_get_op_arg(Expr, 0));
for (int i = 0; i < isl_ast_expr_get_op_n_arg(Expr); ++i) { for (int i = 1; i < isl_ast_expr_get_op_n_arg(Expr); ++i) {
auto *OpV = create(isl_ast_expr_get_op_arg(Expr, i)); auto *OpV = create(isl_ast_expr_get_op_arg(Expr, i));
unifyTypes(V, OpV); unifyTypes(V, OpV);
V = Builder.CreateSelect(Builder.CreateICmp(Pred, V, OpV), V, OpV); V = Builder.CreateSelect(Builder.CreateICmp(Pred, V, OpV), V, OpV);