There was a switch fall-through in the parser for textual LLVM that caused

bogus comparison operands to default to eq/oeq. Fix that, fix a couple of
tests that accidentally passed and test for bogus comparison opeartors
explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171733 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Tweed 2013-01-07 13:32:38 +00:00
parent e97165901e
commit d80d608f76
4 changed files with 6 additions and 6 deletions

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@ -3120,7 +3120,7 @@ int LLParser::ParseInstruction(Instruction *&Inst, BasicBlock *BB,
bool LLParser::ParseCmpPredicate(unsigned &P, unsigned Opc) {
if (Opc == Instruction::FCmp) {
switch (Lex.getKind()) {
default: TokError("expected fcmp predicate (e.g. 'oeq')");
default: return TokError("expected fcmp predicate (e.g. 'oeq')");
case lltok::kw_oeq: P = CmpInst::FCMP_OEQ; break;
case lltok::kw_one: P = CmpInst::FCMP_ONE; break;
case lltok::kw_olt: P = CmpInst::FCMP_OLT; break;
@ -3140,7 +3140,7 @@ bool LLParser::ParseCmpPredicate(unsigned &P, unsigned Opc) {
}
} else {
switch (Lex.getKind()) {
default: TokError("expected icmp predicate (e.g. 'eq')");
default: return TokError("expected icmp predicate (e.g. 'eq')");
case lltok::kw_eq: P = CmpInst::ICMP_EQ; break;
case lltok::kw_ne: P = CmpInst::ICMP_NE; break;
case lltok::kw_slt: P = CmpInst::ICMP_SLT; break;

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@ -4,5 +4,5 @@
@G1 = global i8 zeroinitializer
@g = constant <2 x i8*> getelementptr (<2 x i8*> <i8* @G1, i8* @G1>, <2 x i32> <i32 0, i32 0>)
@t = constant <2 x i1> icmp ((<2 x i32> ptrtoint (<2 x i8*> zeroinitializer to <2 x i32>), <2 x i32> zeroinitializer )
@t = constant <2 x i1> icmp eq (<2 x i32> ptrtoint (<2 x i8*> zeroinitializer to <2 x i32>), <2 x i32> zeroinitializer )

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@ -19,9 +19,9 @@ define void @test2(float %A, float %B, i1* %PA, i1* %PB) {
; CHECK-NEXT: store
; CHECK-NEXT: store
; CHECK-NEXT: ret
%C = fcmp eq float %A, %B
%C = fcmp oeq float %A, %B
store i1 %C, i1* %PA
%D = fcmp eq float %B, %A
%D = fcmp oeq float %B, %A
store i1 %D, i1* %PB
ret void
}

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@ -1,5 +1,5 @@
; RUN: opt -loop-idiom < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -S | FileCheck %s
booom
;To recognize this pattern:
;int popcount(unsigned long long a) {
; int c = 0;