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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 62; RUN: opt < %s -passes=gvn -S | FileCheck %s3 4; Should delete the second call to strlen even though the intervening strchr call exists.5 6target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"7target triple = "i386-apple-darwin7"8 9define ptr @test(ptr %P, ptr %Q, i32 %x, i32 %y) nounwind readonly {10; CHECK-LABEL: define ptr @test(11; CHECK-SAME: ptr [[P:%.*]], ptr [[Q:%.*]], i32 [[X:%.*]], i32 [[Y:%.*]]) #[[ATTR0:[0-9]+]] {12; CHECK-NEXT: [[ENTRY:.*]]:13; CHECK-NEXT: [[TMP0:%.*]] = tail call i32 @strlen(ptr [[P]]), !prof [[PROF0:![0-9]+]]14; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[TMP0]], 015; CHECK-NEXT: br i1 [[TMP1]], label %[[BB:.*]], label %[[BB1:.*]]16; CHECK: [[BB]]:17; CHECK-NEXT: [[TMP2:%.*]] = sdiv i32 [[X]], [[Y]]18; CHECK-NEXT: br label %[[BB1]]19; CHECK: [[BB1]]:20; CHECK-NEXT: [[X_ADDR_0:%.*]] = phi i32 [ [[TMP2]], %[[BB]] ], [ [[X]], %[[ENTRY]] ]21; CHECK-NEXT: [[TMP3:%.*]] = tail call ptr @strchr(ptr [[Q]], i32 97)22; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[X_ADDR_0]], [[TMP0]]23; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP3]], i32 [[X_ADDR_0]]24; CHECK-NEXT: ret ptr [[TMP5]]25;26entry:27 %0 = tail call i32 @strlen(ptr %P), !prof !0 ; <i32> [#uses=2]28 %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]29 br i1 %1, label %bb, label %bb130 31bb: ; preds = %entry32 %2 = sdiv i32 %x, %y ; <i32> [#uses=1]33 br label %bb134 35bb1: ; preds = %bb, %entry36 %x_addr.0 = phi i32 [ %2, %bb ], [ %x, %entry ] ; <i32> [#uses=1]37 %3 = tail call ptr @strchr(ptr %Q, i32 97) ; <ptr> [#uses=1]38 %4 = tail call i32 @strlen(ptr %P) , !prof !1 ; <i32> [#uses=1]39 %5 = add i32 %x_addr.0, %0 ; <i32> [#uses=1]40 %.sum = sub i32 %5, %4 ; <i32> [#uses=1]41 %6 = getelementptr i8, ptr %3, i32 %.sum ; <ptr> [#uses=1]42 ret ptr %643}44 45 46declare i32 @strlen(ptr) nounwind readonly47 48declare ptr @strchr(ptr, i32) nounwind readonly49 50!0 = !{!"branch_weights", i32 95}51!1 = !{!"branch_weights", i32 95}52;.53; CHECK: [[PROF0]] = !{!"branch_weights", i64 190}54;.55