Mercurial > hg > CbC > CbC_llvm
view llvm/test/Transforms/IndVarSimplify/iv-poison.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=indvars -S < %s | FileCheck %s ; PR59777 define i2 @iv_hoist_nsw_poison(i2 %arg) { ; CHECK-LABEL: @iv_hoist_nsw_poison( ; CHECK-NEXT: bb: ; CHECK-NEXT: br label [[BB1:%.*]] ; CHECK: bb1: ; CHECK-NEXT: [[DOT07:%.*]] = phi i2 [ 1, [[BB:%.*]] ], [ [[I:%.*]], [[BB1]] ] ; CHECK-NEXT: [[I]] = add nuw i2 [[DOT07]], 1 ; CHECK-NEXT: [[DOTNOT_NOT:%.*]] = icmp ult i2 1, [[ARG:%.*]] ; CHECK-NEXT: br i1 [[DOTNOT_NOT]], label [[COMMON_RET:%.*]], label [[BB1]] ; CHECK: common.ret: ; CHECK-NEXT: [[I2_LCSSA:%.*]] = phi i2 [ [[I]], [[BB1]] ] ; CHECK-NEXT: ret i2 [[I2_LCSSA]] ; bb: br label %bb1 bb1: ; preds = %bb1, %bb %.07 = phi i2 [ 1, %bb ], [ %i, %bb1 ] %.0 = phi i2 [ 1, %bb ], [ %i2, %bb1 ] %i = add nsw i2 %.07, 1 %i2 = add i2 %.0, 1 %.not.not = icmp ult i2 %.07, %arg br i1 %.not.not, label %common.ret, label %bb1 common.ret: ; preds = %bb1 ret i2 %i2 }