mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-19 01:13:25 +00:00
559254b697
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73633 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
877 B
LLVM
31 lines
877 B
LLVM
; RUN: llvm-as < %s | opt -analyze -scalar-evolution -disable-output |& not grep smax
|
|
; PR2070
|
|
|
|
define i32 @a(i32 %x) nounwind {
|
|
entry:
|
|
icmp sgt i32 %x, 1 ; <i1>:0 [#uses=1]
|
|
br i1 %0, label %bb.nph, label %bb2
|
|
|
|
bb.nph: ; preds = %entry
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb1, %bb.nph
|
|
%z.02 = phi i32 [ %1, %bb1 ], [ 1, %bb.nph ] ; <i32> [#uses=1]
|
|
%i.01 = phi i32 [ %2, %bb1 ], [ 1, %bb.nph ] ; <i32> [#uses=2]
|
|
mul i32 %z.02, %i.01 ; <i32>:1 [#uses=2]
|
|
add i32 %i.01, 1 ; <i32>:2 [#uses=2]
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb
|
|
icmp slt i32 %2, %x ; <i1>:3 [#uses=1]
|
|
br i1 %3, label %bb, label %bb1.bb2_crit_edge
|
|
|
|
bb1.bb2_crit_edge: ; preds = %bb1
|
|
%.lcssa = phi i32 [ %1, %bb1 ] ; <i32> [#uses=1]
|
|
br label %bb2
|
|
|
|
bb2: ; preds = %bb1.bb2_crit_edge, %entry
|
|
%z.0.lcssa = phi i32 [ %.lcssa, %bb1.bb2_crit_edge ], [ 1, %entry ] ; <i32> [#uses=1]
|
|
ret i32 %z.0.lcssa
|
|
}
|