Displaying 1 result from an estimated 1 matches for "_11079_0".
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01107940
2012 Feb 25
3
[LLVMdev] Missed optimization on array initialization
...he following, simplified, C snippet:
extern void bar(int*);
void foo(int a)
{
int ar[100] = {a};
if (a)
return;
bar(ar);
}
Ideally, the array initialization should be sank after the return, but
in Clang/LLVM 3.0 this doesn't happen:
; ModuleID = '/tmp/webcompile/_11079_0.bc'
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-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @_Z3fooi(i32 %a) uwtable {
%ar =alloca...