39 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=newgvn -S | FileCheck %s3 4define i32 @test1(i32 %arg) {5; CHECK-LABEL: @test1(6; CHECK-NEXT: [[CMP:%.*]] = icmp sge i32 [[ARG:%.*]], 57; CHECK-NEXT: call void @llvm.assume(i1 [[CMP]])8; CHECK-NEXT: ret i32 [[ARG]]9;10 %cmp = icmp sge i32 %arg, 511 call void @llvm.assume(i1 %cmp)12 ret i32 %arg13}14 15define i32 @test2(i32 %arg, i1 %b) {16; CHECK-LABEL: @test2(17; CHECK-NEXT: br label [[BB:%.*]]18; CHECK: bb:19; CHECK-NEXT: [[A:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ 2, [[BB]] ]20; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARG:%.*]], [[A]]21; CHECK-NEXT: call void @llvm.assume(i1 [[CMP]])22; CHECK-NEXT: br i1 [[B:%.*]], label [[BB]], label [[END:%.*]]23; CHECK: end:24; CHECK-NEXT: ret i32 [[ARG]]25;26 br label %bb27 28bb:29 %a = phi i32 [ 1, %0 ], [ 2, %bb ]30 %cmp = icmp eq i32 %arg, %a31 call void @llvm.assume(i1 %cmp)32 br i1 %b, label %bb, label %end33 34end:35 ret i32 %arg36}37 38declare void @llvm.assume(i1 %cond)39