1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes='loop(indvars),adce,simplifycfg' -S | FileCheck %s 3; PR1598 4 5define i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) { 6; CHECK-LABEL: @f( 7; CHECK-NEXT: entry: 8; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]] 9; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[X:%.*]], 1 10; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[Y:%.*]], i32 [[TMP0]]) 11; CHECK-NEXT: [[X_ADDR_1:%.*]] = select i1 [[TMP3]], i32 [[X]], i32 [[SMAX]] 12; CHECK-NEXT: ret i32 [[X_ADDR_1]] 13; 14entry: 15 %tmp3 = icmp eq i32 %a, %b ; <i1> [#uses=1] 16 br i1 %tmp3, label %return, label %bb 17 18bb: ; preds = %bb, %entry 19 %x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ] ; <i32> [#uses=1] 20 %tmp6 = add i32 %x_addr.0, 1 ; <i32> [#uses=3] 21 %tmp9 = icmp slt i32 %tmp6, %y ; <i1> [#uses=1] 22 br i1 %tmp9, label %bb, label %return 23 24return: ; preds = %bb, %entry 25 %x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ] ; <i32> [#uses=1] 26 ret i32 %x_addr.1 27} 28