mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 21:32:10 +00:00
6e1783fb4a
APInt calls instead. This fixes PR3144. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60288 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
812 B
LLVM
29 lines
812 B
LLVM
; RUN: llvm-as < %s | opt -instcombine -disable-output
|
|
; PR3144
|
|
|
|
define fastcc i32 @func(i32 %length) nounwind {
|
|
entry:
|
|
%0 = icmp ne i32 %length, -1 ; <i1> [#uses=1]
|
|
%iftmp.13.0 = select i1 %0, i128 0, i128 200000000 ; <i128> [#uses=2]
|
|
%1 = sdiv i128 %iftmp.13.0, 10 ; <i128> [#uses=1]
|
|
br label %bb5
|
|
|
|
bb5: ; preds = %bb8, %entry
|
|
%v.0 = phi i128 [ 0, %entry ], [ %6, %bb8 ] ; <i128> [#uses=2]
|
|
%2 = icmp sgt i128 %v.0, %1 ; <i1> [#uses=1]
|
|
br i1 %2, label %overflow, label %bb7
|
|
|
|
bb7: ; preds = %bb5
|
|
%3 = mul i128 %v.0, 10 ; <i128> [#uses=2]
|
|
%4 = sub i128 %iftmp.13.0, 0 ; <i128> [#uses=1]
|
|
%5 = icmp slt i128 %4, %3 ; <i1> [#uses=1]
|
|
br i1 %5, label %overflow, label %bb8
|
|
|
|
bb8: ; preds = %bb7
|
|
%6 = add i128 0, %3 ; <i128> [#uses=1]
|
|
br label %bb5
|
|
|
|
overflow: ; preds = %bb7, %bb5
|
|
ret i32 1
|
|
}
|