mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 05:32:25 +00:00
e5f76877ae
into adjacent loops. Also, ensure that the insert position is dominated by the loop latch of any loop in the post-inc set which has a latch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100906 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
2.5 KiB
LLVM
68 lines
2.5 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | not grep uglygep
|
|
|
|
; LSR shouldn't consider %t8 to be an interesting user of %t6, and it
|
|
; should be able to form pretty GEPs.
|
|
|
|
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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define void @Z4() nounwind {
|
|
bb:
|
|
br label %bb3
|
|
|
|
bb1: ; preds = %bb3
|
|
br i1 undef, label %bb10, label %bb2
|
|
|
|
bb2: ; preds = %bb1
|
|
%t = add i64 %t4, 1 ; <i64> [#uses=1]
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb2, %bb
|
|
%t4 = phi i64 [ %t, %bb2 ], [ 0, %bb ] ; <i64> [#uses=3]
|
|
br label %bb1
|
|
|
|
bb10: ; preds = %bb9
|
|
%t7 = icmp eq i64 %t4, 0 ; <i1> [#uses=1]
|
|
%t3 = add i64 %t4, 16 ; <i64> [#uses=1]
|
|
br label %bb14
|
|
|
|
bb14: ; preds = %bb14, %bb10
|
|
%t2 = getelementptr inbounds i8* undef, i64 %t4 ; <i8*> [#uses=1]
|
|
store i8 undef, i8* %t2
|
|
%t6 = load float** undef
|
|
%t8 = bitcast float* %t6 to i8* ; <i8*> [#uses=1]
|
|
%t9 = getelementptr inbounds i8* %t8, i64 %t3 ; <i8*> [#uses=1]
|
|
store i8 undef, i8* %t9
|
|
br label %bb14
|
|
}
|
|
|
|
define fastcc void @TransformLine() nounwind {
|
|
bb:
|
|
br label %loop0
|
|
|
|
loop0: ; preds = %loop0, %bb
|
|
%i0 = phi i32 [ %i0.next, %loop0 ], [ 0, %bb ] ; <i32> [#uses=2]
|
|
%i0.next = add i32 %i0, 1 ; <i32> [#uses=1]
|
|
br i1 false, label %loop0, label %bb0
|
|
|
|
bb0: ; preds = %loop0
|
|
br label %loop1
|
|
|
|
loop1: ; preds = %bb5, %bb0
|
|
%i1 = phi i32 [ 0, %bb0 ], [ %i1.next, %bb5 ] ; <i32> [#uses=4]
|
|
%t0 = add i32 %i0, %i1 ; <i32> [#uses=1]
|
|
br i1 false, label %bb2, label %bb6
|
|
|
|
bb2: ; preds = %loop1
|
|
br i1 true, label %bb6, label %bb5
|
|
|
|
bb5: ; preds = %bb2
|
|
%i1.next = add i32 %i1, 1 ; <i32> [#uses=1]
|
|
br i1 true, label %bb6, label %loop1
|
|
|
|
bb6: ; preds = %bb5, %bb2, %loop1
|
|
%p8 = phi i32 [ %t0, %bb5 ], [ undef, %loop1 ], [ undef, %bb2 ] ; <i32> [#uses=0]
|
|
%p9 = phi i32 [ undef, %bb5 ], [ %i1, %loop1 ], [ %i1, %bb2 ] ; <i32> [#uses=0]
|
|
unreachable
|
|
}
|