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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127182 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-03-07 22:43:45 +00:00
parent 1973b3e254
commit cd77a50e63
2 changed files with 51 additions and 2 deletions
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4
lib/Transforms/Scalar/LoopIdiomRecognize.cpp
View File

@ -493,7 +493,7 @@ processLoopStridedStore(Value *DestPtr, unsigned StoreSize,
Value *NumBytes =
Expander.expandCodeFor(NumBytesS, IntPtr, Preheader->getTerminator());
Value *NewCall;
CallInst *NewCall;
if (SplatValue)
NewCall = Builder.CreateMemSet(BasePtr, SplatValue,NumBytes,StoreAlignment);
else {
@ -517,7 +517,7 @@ processLoopStridedStore(Value *DestPtr, unsigned StoreSize,
DEBUG(dbgs() << " Formed memset: " << *NewCall << "\n"
<< " from store to: " << *Ev << " at: " << *TheStore << "\n");
(void)NewCall;
NewCall->setDebugLoc(TheStore->getDebugLoc());
// Okay, the memset has been formed. Zap the original store and anything that
// feeds into it.

49
test/Transforms/LoopIdiom/debug-line.ll Normal file
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@ -0,0 +1,49 @@
; RUN: opt -loop-idiom < %s -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
define void @foo(double* nocapture %a) nounwind ssp {
entry:
tail call void @llvm.dbg.value(metadata !{double* %a}, i64 0, metadata !5), !dbg !8
tail call void @llvm.dbg.value(metadata !9, i64 0, metadata !10), !dbg !14
br label %for.body
for.body: ; preds = %entry, %for.body
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
%arrayidx = getelementptr double* %a, i64 %indvar
; CHECK: call void @llvm.memset{{.+}} !dbg
store double 0.000000e+00, double* %arrayidx, align 8, !dbg !15
%indvar.next = add i64 %indvar, 1
%exitcond = icmp ne i64 %indvar.next, 1000
br i1 %exitcond, label %for.body, label %for.end, !dbg !14
for.end: ; preds = %for.body
tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !10), !dbg !16
ret void, !dbg !17
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
!llvm.dbg.sp = !{!0}
!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, void (double*)* @foo} ; [ DW_TAG_subprogram ]
!1 = metadata !{i32 589865, metadata !"li.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"li.c", metadata !"/private/tmp", metadata !"clang version 2.9 (trunk 127165:127174)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
!4 = metadata !{null}
!5 = metadata !{i32 590081, metadata !0, metadata !"a", metadata !1, i32 16777218, metadata !6, i32 0} ; [ DW_TAG_arg_variable ]
!6 = metadata !{i32 589839, metadata !2, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !7} ; [ DW_TAG_pointer_type ]
!7 = metadata !{i32 589860, metadata !2, metadata !"double", null, i32 0, i64 64, i64 64, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
!8 = metadata !{i32 2, i32 18, metadata !0, null}
!9 = metadata !{i32 0}
!10 = metadata !{i32 590080, metadata !11, metadata !"i", metadata !1, i32 3, metadata !13, i32 0} ; [ DW_TAG_auto_variable ]
!11 = metadata !{i32 589835, metadata !12, i32 3, i32 3, metadata !1, i32 1} ; [ DW_TAG_lexical_block ]
!12 = metadata !{i32 589835, metadata !0, i32 2, i32 21, metadata !1, i32 0} ; [ DW_TAG_lexical_block ]
!13 = metadata !{i32 589860, metadata !2, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!14 = metadata !{i32 3, i32 3, metadata !12, null}
!15 = metadata !{i32 4, i32 5, metadata !11, null}
!16 = metadata !{i32 3, i32 29, metadata !11, null}
!17 = metadata !{i32 5, i32 1, metadata !12, null}