mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 22:32:47 +00:00
48 lines
1.4 KiB
LLVM
48 lines
1.4 KiB
LLVM
|
; RUN: llc -mcpu=a2 -disable-lsr < %s | FileCheck %s
|
||
|
|
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
|
||
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define i32 @test1(i64 %add, i64* %ptr) nounwind {
|
||
|
|
entry:
|
||
|
|
%p1 = getelementptr i64* %ptr, i64 144115188075855
|
||
|
|
br label %for.cond2.preheader
|
||
|
|
|
||
|
|
for.cond2.preheader:
|
||
|
|
%nl.018 = phi i32 [ 0, %entry ], [ %inc9, %for.end ]
|
||
|
|
br label %for.body4
|
||
|
|
|
||
|
|
for.body4:
|
||
|
|
%lsr.iv = phi i32 [ %lsr.iv.next, %for.body4 ], [ 16000, %for.cond2.preheader ]
|
||
|
|
%i0 = phi i64* [ %p1, %for.cond2.preheader ], [ %i6, %for.body4 ]
|
||
|
|
%i6 = getelementptr i64* %i0, i64 400000
|
||
|
|
%i7 = getelementptr i64* %i6, i64 300000
|
||
|
|
%i8 = getelementptr i64* %i6, i64 200000
|
||
|
|
%i9 = getelementptr i64* %i6, i64 100000
|
||
|
|
store i64 %add, i64* %i6, align 32
|
||
|
|
store i64 %add, i64* %i7, align 32
|
||
|
|
store i64 %add, i64* %i8, align 32
|
||
|
|
store i64 %add, i64* %i9, align 32
|
||
|
|
%lsr.iv.next = add i32 %lsr.iv, -16
|
||
|
|
%exitcond.15 = icmp eq i32 %lsr.iv.next, 0
|
||
|
|
br i1 %exitcond.15, label %for.end, label %for.body4
|
||
|
|
|
||
|
|
; Make sure that we generate the most compact form of this loop with no
|
||
|
|
; unnecessary moves
|
||
|
|
; CHECK: @test1
|
||
|
|
; CHECK: mtctr
|
||
|
|
; CHECK: stdux
|
||
|
|
; CHECK-NEXT: stdx
|
||
|
|
; CHECK-NEXT: stdx
|
||
|
|
; CHECK-NEXT: stdx
|
||
|
|
; CHECK-NEXT: bdnz
|
||
|
|
|
||
|
|
for.end:
|
||
|
|
%inc9 = add nsw i32 %nl.018, 1
|
||
|
|
%exitcond = icmp eq i32 %inc9, 400000
|
||
|
|
br i1 %exitcond, label %for.end10, label %for.cond2.preheader
|
||
|
|
|
||
|
|
for.end10:
|
||
|
|
ret i32 0
|
||
|
|
}
|
||
|
|
|