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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; Two occurrences of strlen should be zapped.5target 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"6target triple = "i386-apple-darwin9"7 8define i32 @test(i32 %g, ptr %P) nounwind {9; CHECK-LABEL: define i32 @test(10; CHECK-SAME: i32 [[G:%.*]], ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] {11; CHECK-NEXT: [[ENTRY:.*:]]12; CHECK-NEXT: [[TMP2:%.*]] = call i32 @strlen(ptr [[P]]) #[[ATTR1:[0-9]+]]13; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 10014; CHECK-NEXT: [[TMP34:%.*]] = zext i1 [[TMP3]] to i815; CHECK-NEXT: br i1 [[TMP3]], label %[[BB:.*]], label %[[BB6:.*]]16; CHECK: [[BB]]:17; CHECK-NEXT: br label %[[BB27:.*]]18; CHECK: [[BB6]]:19; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[G]], 4220; CHECK-NEXT: br i1 false, label %[[BB14:.*]], label %[[BB16:.*]]21; CHECK: [[BB14]]:22; CHECK-NEXT: br label %[[BB27]]23; CHECK: [[BB16]]:24; CHECK-NEXT: [[TMP18:%.*]] = mul i32 [[TMP8]], 225; CHECK-NEXT: br i1 false, label %[[BB24:.*]], label %[[BB26:.*]]26; CHECK: [[BB24]]:27; CHECK-NEXT: br label %[[BB27]]28; CHECK: [[BB26]]:29; CHECK-NEXT: br label %[[BB27]]30; CHECK: [[BB27]]:31; CHECK-NEXT: [[TMP_0:%.*]] = phi i32 [ 11, %[[BB26]] ], [ poison, %[[BB24]] ], [ poison, %[[BB14]] ], [ [[G]], %[[BB]] ]32; CHECK-NEXT: ret i32 [[TMP_0]]33;34entry:35 %tmp2 = call i32 @strlen( ptr %P ) nounwind readonly ; <i32> [#uses=1]36 %tmp3 = icmp eq i32 %tmp2, 100 ; <i1> [#uses=1]37 %tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1]38 %toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1]39 br i1 %toBool, label %bb, label %bb640 41bb: ; preds = %entry42 br label %bb2743 44bb6: ; preds = %entry45 %tmp8 = add i32 %g, 42 ; <i32> [#uses=2]46 %tmp10 = call i32 @strlen( ptr %P ) nounwind readonly ; <i32> [#uses=1]47 %tmp11 = icmp eq i32 %tmp10, 100 ; <i1> [#uses=1]48 %tmp1112 = zext i1 %tmp11 to i8 ; <i8> [#uses=1]49 %toBool13 = icmp ne i8 %tmp1112, 0 ; <i1> [#uses=1]50 br i1 %toBool13, label %bb14, label %bb1651 52bb14: ; preds = %bb653 br label %bb2754 55bb16: ; preds = %bb656 %tmp18 = mul i32 %tmp8, 2 ; <i32> [#uses=1]57 %tmp20 = call i32 @strlen( ptr %P ) nounwind readonly ; <i32> [#uses=1]58 %tmp21 = icmp eq i32 %tmp20, 100 ; <i1> [#uses=1]59 %tmp2122 = zext i1 %tmp21 to i8 ; <i8> [#uses=1]60 %toBool23 = icmp ne i8 %tmp2122, 0 ; <i1> [#uses=1]61 br i1 %toBool23, label %bb24, label %bb2662 63bb24: ; preds = %bb1664 br label %bb2765 66bb26: ; preds = %bb1667 br label %bb2768 69bb27: ; preds = %bb26, %bb24, %bb14, %bb70 %tmp.0 = phi i32 [ 11, %bb26 ], [ %tmp18, %bb24 ], [ %tmp8, %bb14 ], [ %g, %bb ] ; <i32> [#uses=1]71 br label %return72 73return: ; preds = %bb2774 ret i32 %tmp.075}76 77 78declare i32 @strlen(ptr) nounwind readonly79