100 lines
3.4 KiB
LLVM
100 lines
3.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -loop-unroll -unroll-count=4 -unroll-peel-count=1 < %s | FileCheck %s
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declare zeroext i8 @patatino()
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define fastcc void @tinky() {
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; CHECK-LABEL: @tinky(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[NEXT:%.*]]
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; CHECK: loopexit:
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; CHECK-NEXT: ret void
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; CHECK: next:
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; CHECK-NEXT: br label [[LOOP_PEEL_BEGIN:%.*]]
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; CHECK: loop.peel.begin:
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; CHECK-NEXT: br label [[LOOP_PEEL:%.*]]
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; CHECK: loop.peel:
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; CHECK-NEXT: [[CALL593_PEEL:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: br i1 false, label [[LOOP_PEEL_NEXT:%.*]], label [[LOOPEXIT:%.*]]
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; CHECK: loop.peel.next:
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; CHECK-NEXT: br label [[LOOP_PEEL_NEXT1:%.*]]
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; CHECK: loop.peel.next1:
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; CHECK-NEXT: br label [[NEXT_PEEL_NEWPH:%.*]]
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; CHECK: next.peel.newph:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[CALL593:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: br label [[LOOPEXIT]]
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;
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entry:
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br label %next
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loopexit:
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ret void
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next:
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br label %loop
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loop:
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%a = phi i8 [ undef, %next ], [ %call593, %loop ]
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%b = phi i32 [ 0, %next ], [ 1, %loop ]
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%call593 = tail call zeroext i8 @patatino()
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br i1 false, label %loop, label %loopexit
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}
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define void @tinky2() {
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; CHECK-LABEL: @tinky2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[NEXT:%.*]]
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; CHECK: loopexit.loopexit:
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; CHECK-NEXT: br label [[LOOPEXIT:%.*]]
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; CHECK: loopexit:
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; CHECK-NEXT: ret void
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; CHECK: next:
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; CHECK-NEXT: br label [[LOOP_PEEL_BEGIN:%.*]]
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; CHECK: loop.peel.begin:
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; CHECK-NEXT: br label [[LOOP_PEEL:%.*]]
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; CHECK: loop.peel:
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; CHECK-NEXT: [[CALL593_PEEL:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: [[B_NEXT_PEEL:%.*]] = add i32 0, 1
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; CHECK-NEXT: [[COND_PEEL:%.*]] = icmp ne i32 0, 30
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; CHECK-NEXT: br i1 [[COND_PEEL]], label [[LOOP_PEEL_NEXT:%.*]], label [[LOOPEXIT]]
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; CHECK: loop.peel.next:
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; CHECK-NEXT: br label [[LOOP_PEEL_NEXT1:%.*]]
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; CHECK: loop.peel.next1:
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; CHECK-NEXT: br label [[NEXT_PEEL_NEWPH:%.*]]
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; CHECK: next.peel.newph:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[B:%.*]] = phi i32 [ [[B_NEXT_PEEL]], [[NEXT_PEEL_NEWPH]] ], [ [[B_NEXT_3:%.*]], [[LOOP_2:%.*]] ]
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; CHECK-NEXT: [[CALL593:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: [[B_NEXT:%.*]] = add nuw nsw i32 [[B]], 1
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; CHECK-NEXT: [[CALL593_1:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: [[B_NEXT_1:%.*]] = add nuw nsw i32 [[B_NEXT]], 1
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; CHECK-NEXT: [[COND_1:%.*]] = icmp ne i32 [[B_NEXT]], 30
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; CHECK-NEXT: br i1 [[COND_1]], label [[LOOP_2]], label [[LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop !0
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; CHECK: loop.2:
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; CHECK-NEXT: [[CALL593_2:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: [[B_NEXT_2:%.*]] = add nuw nsw i32 [[B_NEXT_1]], 1
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; CHECK-NEXT: [[CALL593_3:%.*]] = tail call zeroext i8 @patatino()
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; CHECK-NEXT: [[B_NEXT_3]] = add nuw nsw i32 [[B_NEXT_2]], 1
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; CHECK-NEXT: br label [[LOOP]], !llvm.loop !2
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;
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entry:
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br label %next
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loopexit:
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ret void
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next:
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br label %loop
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loop:
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%a = phi i8 [ undef, %next ], [ %call593, %loop ]
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%b = phi i32 [ 0, %next ], [ %b.next, %loop ]
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%call593 = tail call zeroext i8 @patatino()
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%b.next = add i32 %b, 1
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%cond = icmp ne i32 %b, 30
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br i1 %cond, label %loop, label %loopexit
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}
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