search for: simple_ir

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2014 Sep 09
3
[LLVMdev] failed folding with constant array with opt -O3
I have the following simplified llvm ir, which basically returns value based on the first value of a constant array. ---- ; ModuleID = 'simple_ir3.txt' @f.b = constant [1 x i32] [i32 1], align 4 ; constant array with value 1 at the first element define void @f(i32* nocapture %l0) { entry: %fc_ = alloca [1 x i32] %f.b.v = load [1 x i32]* @f.b store [1 x i32] %f.b.v, [1 x i32]* %fc_ %0 = getelementptr [1 x i32]* %fc_, i6...
2014 Sep 10
3
[LLVMdev] failed folding with constant array with opt -O3
...h can then > be further optimized. > > Cheers, > Roel > > On 09/09/14 18:30, Peng Cheng wrote: >> I have the following simplified llvm ir, which basically returns value >> based on the first value of a constant array. >> >> ---- >> ; ModuleID = 'simple_ir3.txt' >> >> @f.b = constant [1 x i32] [i32 1], align 4 ; constant array >> with value 1 at the first element >> >> define void @f(i32* nocapture %l0) { >> entry: >> %fc_ = alloca [1 x i32] >> %f.b.v = load [1 x i32]* @f.b >>...