mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-25 14:32:53 +00:00
b73e4aec2e
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81159 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
726 B
LLVM
22 lines
726 B
LLVM
; Make sure that the compare instruction occurs after the increment to avoid
|
|
; having overlapping live ranges that result in copies. We want the setcc
|
|
; instruction immediately before the conditional branch.
|
|
;
|
|
; RUN: opt -S -loop-reduce %s | FileCheck %s
|
|
|
|
define void @foo(float* %D, i32 %E) {
|
|
entry:
|
|
br label %no_exit
|
|
no_exit: ; preds = %no_exit, %entry
|
|
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=1]
|
|
volatile store float 0.000000e+00, float* %D
|
|
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
|
|
; CHECK: icmp
|
|
; CHECK-NEXT: br i1
|
|
%exitcond = icmp eq i32 %indvar.next, %E ; <i1> [#uses=1]
|
|
br i1 %exitcond, label %loopexit, label %no_exit
|
|
loopexit: ; preds = %no_exit
|
|
ret void
|
|
}
|
|
|