forked from OSchip/llvm-project
42 lines
1.7 KiB
LLVM
42 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; This is currently failing because of bug in LoopSimplifyCFG. It does not update
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; duplicating Phi inputs properly.
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; REQUIRES: asserts
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; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s
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; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -passes='require<domtree>,loop(simplify-cfg)' -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s
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; RUN: opt -S -enable-loop-simplifycfg-term-folding=true -loop-simplifycfg -enable-mssa-loop-dependency=true -verify-memoryssa -debug-only=loop-simplifycfg -verify-loop-info -verify-dom-info -verify-loop-lcssa 2>&1 < %s | FileCheck %s
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target datalayout = "P40"
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@a = external global i16, align 1
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define void @f1(i1 %cond) {
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; CHECK-LABEL: @f1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[FOR_INC:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* @a, align 1
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i16 [[TMP0]], 0
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; CHECK-NEXT: br label [[FOR_INC]]
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; CHECK: for.inc:
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; CHECK-NEXT: [[C_1:%.*]] = phi i16 [ 2, [[IF_THEN]] ], [ 1, [[FOR_COND]] ]
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; CHECK-NEXT: br label [[FOR_COND]]
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;
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entry:
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br label %for.cond
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for.cond:
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br i1 %cond, label %if.then, label %for.inc
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if.then:
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%0 = load i16, i16* @a, align 1
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%tobool = icmp ne i16 %0, 0
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br i1 %tobool, label %for.inc, label %for.inc
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for.inc:
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%c.1 = phi i16 [ 2, %if.then ], [ 2, %if.then ], [ 1, %for.cond ]
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br label %for.cond
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}
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