Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/X86/phi-bit-propagation.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
---|---|
date | Thu, 12 Dec 2013 13:56:28 +0900 |
parents | |
children | afa8332a0e37 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/X86/phi-bit-propagation.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,55 @@ +; RUN: llc < %s -march=x86-64 | FileCheck %s + +%"class.std::bitset" = type { [8 x i8] } + +define zeroext i1 @_Z3fooPjmS_mRSt6bitsetILm32EE(i32* nocapture %a, i64 %asize, i32* nocapture %b, i64 %bsize, %"class.std::bitset"* %bits) nounwind readonly ssp noredzone { +entry: + %tmp.i.i.i.i = bitcast %"class.std::bitset"* %bits to i64* + br label %for.cond + +for.cond: ; preds = %for.inc, %entry + %0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] + %conv = zext i32 %0 to i64 + %cmp = icmp eq i64 %conv, %bsize + br i1 %cmp, label %return, label %for.body + +for.body: ; preds = %for.cond + %arrayidx = getelementptr inbounds i32* %b, i64 %conv + %tmp5 = load i32* %arrayidx, align 4 + %conv6 = zext i32 %tmp5 to i64 + %rem.i.i.i.i = and i64 %conv6, 63 + %tmp3.i = load i64* %tmp.i.i.i.i, align 8 + %shl.i.i = shl i64 1, %rem.i.i.i.i + %and.i = and i64 %shl.i.i, %tmp3.i + %cmp.i = icmp eq i64 %and.i, 0 + br i1 %cmp.i, label %for.inc, label %return + +for.inc: ; preds = %for.body + %inc = add i32 %0, 1 + br label %for.cond + +return: ; preds = %for.body, %for.cond +; CHECK-NOT: and + %retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ] + ret i1 %retval.0 +} + +; This test case caused an assertion failure; see PR9324. +define void @func_37() noreturn nounwind ssp { +entry: + br i1 undef, label %lbl_919, label %entry.for.inc_crit_edge + +entry.for.inc_crit_edge: ; preds = %entry + br label %for.inc + +lbl_919: ; preds = %for.cond7.preheader, %entry + br label %for.cond7.preheader + +for.cond7.preheader: ; preds = %for.inc, %lbl_919 + %storemerge.ph = phi i8 [ 0, %lbl_919 ], [ %add, %for.inc ] + br i1 undef, label %for.inc, label %lbl_919 + +for.inc: ; preds = %for.cond7.preheader, %entry.for.inc_crit_edge + %add = add i8 undef, 1 + br label %for.cond7.preheader +}