1
0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
llvm-6502/test/CodeGen/CellSPU/2009-01-01-BrCond.ll
Dan Gohman 6d31268a7d Revert the main portion of r31856. It was causing BranchFolding
to break up CFG diamonds by banishing one of the blocks to the end of
the function, which is bad for code density and branch size.

This does pessimize MultiSource/Benchmarks/Ptrdist/yacr2, the
benchmark cited as the reason for the change, however I've examined
the code and it looks more like a case of gaming a particular
branch than of being generally applicable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84803 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22 00:03:58 +00:00

32 lines
921 B
LLVM

; RUN: llc < %s -march=cellspu -o - | grep brnz
; PR3274
target datalayout = "E-p:32:32:128-i1:8:128-i8:8:128-i16:16:128-i32:32:128-i64:32:128-f32:32:128-f64:64:128-v64:64:64-v128:128:128-a0:0:128-s0:128:128"
target triple = "spu"
%struct.anon = type { i64 }
%struct.fp_number_type = type { i32, i32, i32, [4 x i8], %struct.anon }
define double @__floatunsidf(i32 %arg_a) nounwind {
entry:
%in = alloca %struct.fp_number_type, align 16
%0 = getelementptr %struct.fp_number_type* %in, i32 0, i32 1
store i32 0, i32* %0, align 4
%1 = icmp eq i32 %arg_a, 0
%2 = getelementptr %struct.fp_number_type* %in, i32 0, i32 0
br i1 %1, label %bb, label %bb1
bb: ; preds = %entry
store i32 2, i32* %2, align 8
br label %bb7
bb1: ; preds = %entry
ret double 0.0
bb7: ; preds = %bb5, %bb1, %bb
ret double 1.0
}
; declare i32 @llvm.ctlz.i32(i32) nounwind readnone
declare double @__pack_d(%struct.fp_number_type*)