mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
15bfd6d3ad
This conversion was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186269 91177308-0d34-0410-b5e6-96231b3b80d8
123 lines
4.7 KiB
LLVM
123 lines
4.7 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | FileCheck %s
|
|
|
|
; 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"
|
|
|
|
define void @Z4() nounwind {
|
|
; CHECK-LABEL: define void @Z4(
|
|
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
|
|
|
|
; CHECK: bb10:
|
|
; CHECK-NEXT: %t7 = icmp eq i64 %t4, 0
|
|
; Host %t2 computation outside the loop.
|
|
; CHECK-NEXT: [[SCEVGEP:%[^ ]+]] = getelementptr i8* undef, i64 %t4
|
|
; CHECK-NEXT: br label %bb14
|
|
bb10: ; preds = %bb9
|
|
%t7 = icmp eq i64 %t4, 0 ; <i1> [#uses=1]
|
|
%t3 = add i64 %t4, 16 ; <i64> [#uses=1]
|
|
br label %bb14
|
|
|
|
; CHECK: bb14:
|
|
; CHECK-NEXT: store i8 undef, i8* [[SCEVGEP]]
|
|
; CHECK-NEXT: %t6 = load float** undef
|
|
; Fold %t3's add within the address.
|
|
; CHECK-NEXT: [[SCEVGEP1:%[^ ]+]] = getelementptr float* %t6, i64 4
|
|
; CHECK-NEXT: [[SCEVGEP2:%[^ ]+]] = bitcast float* [[SCEVGEP1]] to i8*
|
|
; Use the induction variable (%t4) to access the right element
|
|
; CHECK-NEXT: [[ADDRESS:%[^ ]+]] = getelementptr i8* [[SCEVGEP2]], i64 %t4
|
|
; CHECK-NEXT: store i8 undef, i8* [[ADDRESS]]
|
|
; CHECK-NEXT: 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 {
|
|
; CHECK-LABEL: @TransformLine(
|
|
bb:
|
|
br label %loop0
|
|
|
|
; CHECK: loop0:
|
|
; Induction variable is initialized to -2.
|
|
; CHECK-NEXT: [[PHIIV:%[^ ]+]] = phi i32 [ [[IVNEXT:%[^ ]+]], %loop0 ], [ -2, %bb ]
|
|
; CHECK-NEXT: [[IVNEXT]] = add i32 [[PHIIV]], 1
|
|
; CHECK-NEXT: br i1 false, label %loop0, label %bb0
|
|
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
|
|
|
|
; CHECK: loop1:
|
|
; CHECK-NEXT: %i1 = phi i32 [ 0, %bb0 ], [ %i1.next, %bb5 ]
|
|
; IVNEXT covers the uses of %i0 and %t0.
|
|
; Therefore, %t0 has been removed.
|
|
; The critical edge has been split.
|
|
; CHECK-NEXT: br i1 false, label %bb2, label %[[LOOP1BB6:.+]]
|
|
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
|
|
|
|
; CHECK: bb2:
|
|
; Critical edge split.
|
|
; CHECK-NEXT: br i1 true, label %[[BB2BB6:[^,]+]], label %bb5
|
|
bb2: ; preds = %loop1
|
|
br i1 true, label %bb6, label %bb5
|
|
|
|
; CHECK: bb5:
|
|
; CHECK-NEXT: %i1.next = add i32 %i1, 1
|
|
; CHECK-NEXT: br i1 true, label %[[BB5BB6:[^,]+]], label %loop1
|
|
bb5: ; preds = %bb2
|
|
%i1.next = add i32 %i1, 1 ; <i32> [#uses=1]
|
|
br i1 true, label %bb6, label %loop1
|
|
|
|
; bb5 to bb6 split basic block.
|
|
; CHECK: [[BB5BB6]]:
|
|
; CHECK-NEXT: [[INITIALVAL:%[^ ]+]] = add i32 [[IVNEXT]], %i1.next
|
|
; CHECK-NEXT: br label %[[SPLITTOBB6:.+]]
|
|
|
|
; bb2 to bb6 split basic block.
|
|
; CHECK: [[BB2BB6]]:
|
|
; CHECK-NEXT: br label %[[SPLITTOBB6]]
|
|
|
|
; Split basic blocks to bb6.
|
|
; CHECK: [[SPLITTOBB6]]:
|
|
; CHECK-NEXT: [[INITP8:%[^ ]+]] = phi i32 [ [[INITIALVAL]], %[[BB5BB6]] ], [ undef, %[[BB2BB6]] ]
|
|
; CHECK-NEXT: [[INITP9:%[^ ]+]] = phi i32 [ undef, %[[BB5BB6]] ], [ %i1, %[[BB2BB6]] ]
|
|
; CHECK-NEXT: br label %bb6
|
|
|
|
; CHECK: [[LOOP1BB6]]:
|
|
; CHECK-NEXT: br label %bb6
|
|
|
|
; CHECK: bb6:
|
|
; CHECK-NEXT: %p8 = phi i32 [ undef, %[[LOOP1BB6]] ], [ [[INITP8]], %[[SPLITTOBB6]] ]
|
|
; CHECK-NEXT: %p9 = phi i32 [ %i1, %[[LOOP1BB6]] ], [ [[INITP9]], %[[SPLITTOBB6]] ]
|
|
; CHECK-NEXT: unreachable
|
|
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
|
|
}
|