mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
1e81966626
matches what llvm-gcc and clang now produce. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106221 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.5 KiB
LLVM
42 lines
1.5 KiB
LLVM
; RUN: llc < %s -mtriple=thumb-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s
|
|
; rdar://7353541
|
|
; rdar://7354376
|
|
|
|
; 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 void @t(i32* nocapture %vals, i32 %c) nounwind {
|
|
entry:
|
|
; CHECK: t:
|
|
%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.n r2, LCPI0_0
|
|
; CHECK: add r2, pc
|
|
; CHECK: ldr r{{[0-9]+}}, [r2]
|
|
; CHECK: LBB0_2
|
|
; CHECK: LCPI0_0:
|
|
; CHECK-NOT: LCPI0_1:
|
|
; CHECK: .section
|
|
%.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
|
|
}
|