From 342fea366f907e09eb12b12cfdeba7e9a056c2a3 Mon Sep 17 00:00:00 2001 From: Sanjay Patel Date: Sun, 30 Aug 2020 11:47:17 -0400 Subject: [PATCH] [NewGVN] add test for commutative intrinsic; NFC --- llvm/test/Transforms/NewGVN/commute.ll | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-) diff --git a/llvm/test/Transforms/NewGVN/commute.ll b/llvm/test/Transforms/NewGVN/commute.ll index ab7541b..d7737dd 100644 --- a/llvm/test/Transforms/NewGVN/commute.ll +++ b/llvm/test/Transforms/NewGVN/commute.ll @@ -1,23 +1,45 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -newgvn -S < %s | FileCheck %s declare void @use(i32, i32) -define void @foo(i32 %x, i32 %y) { - ; CHECK-LABEL: @foo( +define void @binop(i32 %x, i32 %y) { +; CHECK-LABEL: @binop( +; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[X:%.*]], [[Y:%.*]] +; CHECK-NEXT: call void @use(i32 [[ADD1]], i32 [[ADD1]]) +; CHECK-NEXT: ret void +; %add1 = add i32 %x, %y %add2 = add i32 %y, %x call void @use(i32 %add1, i32 %add2) - ; CHECK: @use(i32 %add1, i32 %add1) ret void } declare void @vse(i1, i1) -define void @bar(i32 %x, i32 %y) { - ; CHECK-LABEL: @bar( +define void @cmp(i32 %x, i32 %y) { +; CHECK-LABEL: @cmp( +; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[X:%.*]], [[Y:%.*]] +; CHECK-NEXT: call void @vse(i1 [[CMP1]], i1 [[CMP1]]) +; CHECK-NEXT: ret void +; %cmp1 = icmp ult i32 %x, %y %cmp2 = icmp ugt i32 %y, %x call void @vse(i1 %cmp1, i1 %cmp2) - ; CHECK: @vse(i1 %cmp1, i1 %cmp1) ret void } + +define void @intrinsic(i32 %x, i32 %y) { +; CHECK-LABEL: @intrinsic( +; CHECK-NEXT: [[M1:%.*]] = call i32 @llvm.smax.i32(i32 [[X:%.*]], i32 [[Y:%.*]]) +; CHECK-NEXT: [[M2:%.*]] = call i32 @llvm.smax.i32(i32 [[Y]], i32 [[X]]) +; CHECK-NEXT: call void @use(i32 [[M1]], i32 [[M2]]) +; CHECK-NEXT: ret void +; + %m1 = call i32 @llvm.smax.i32(i32 %x, i32 %y) + %m2 = call i32 @llvm.smax.i32(i32 %y, i32 %x) + call void @use(i32 %m1, i32 %m2) + ret void +} + +declare i32 @llvm.smax.i32(i32, i32) -- 2.7.4