mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
de17fb6e4d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85698 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.4 KiB
LLVM
37 lines
1.4 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s
|
|
; rdar://7353541
|
|
|
|
; The generated code is no where near ideal. It's not recognizing the two
|
|
; constantpool entries being loaded can be merged into one.
|
|
|
|
@GV = external global i32 ; <i32*> [#uses=2]
|
|
|
|
define arm_apcscc void @t(i32* nocapture %vals, i32 %c) nounwind {
|
|
entry:
|
|
; CHECK: t:
|
|
; CHECK: cbz
|
|
%0 = icmp eq i32 %c, 0 ; <i1> [#uses=1]
|
|
br i1 %0, label %return, label %bb.nph
|
|
|
|
bb.nph: ; preds = %entry
|
|
; CHECK: BB#1
|
|
; CHECK: ldr r{{[0-9]+}}, LCPI1_0
|
|
; CHECK: ldr{{.*}} r{{[0-9]+}}, LCPI1_1
|
|
%.pre = load i32* @GV, align 4 ; <i32> [#uses=1]
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %bb.nph
|
|
%1 = phi i32 [ %.pre, %bb.nph ], [ %3, %bb ] ; <i32> [#uses=1]
|
|
%i.03 = phi i32 [ 0, %bb.nph ], [ %4, %bb ] ; <i32> [#uses=2]
|
|
%scevgep = getelementptr i32* %vals, i32 %i.03 ; <i32*> [#uses=1]
|
|
%2 = load i32* %scevgep, align 4 ; <i32> [#uses=1]
|
|
%3 = add nsw i32 %1, %2 ; <i32> [#uses=2]
|
|
store i32 %3, i32* @GV, align 4
|
|
%4 = add i32 %i.03, 1 ; <i32> [#uses=2]
|
|
%exitcond = icmp eq i32 %4, %c ; <i1> [#uses=1]
|
|
br i1 %exitcond, label %return, label %bb
|
|
|
|
return: ; preds = %bb, %entry
|
|
ret void
|
|
}
|